how to find the area in slices and the frequency in MHz

The info is right in the reports. Do you not see it?
Maximum frequency is displayed at the worst case corner (184.2 MHz).
Percentage utilization of chip resources (2% of logic, no memory used).

What else are you looking for?

In the .sta.txt timing report is this table:

+-------------------------------------------------+
; Slow 1100mV 85C Model Fmax Summary              ;
+-----------+-----------------+------------+------+
; Fmax      ; Restricted Fmax ; Clock Name ; Note ;
+-----------+-----------------+------------+------+
; 184.2 MHz ; 184.2 MHz       ; clk        ;      ;
+-----------+-----------------+------------+------+

In the .fit.tx report is the table:

+---------------------------------------------------------------------------------------+
; Fitter Summary                                                                        ;
+-------------------------------------+-------------------------------------------------+
; Fitter Status                       ; Successful - Sat May 14 18:07:14 2022           ;
; Quartus II 64-Bit Version           ; 13.0.1 Build 232 06/12/2013 SP 1 SJ Web Edition ;
; Revision Name                       ; sha3                                            ;
; Top-level Entity Name               ; keccak                                          ;
; Family                              ; Cyclone V                                       ;
; Device                              ; 5CGXFC7C7F23C8                                  ;
; Timing Models                       ; Final                                           ;
; Logic utilization (in ALMs)         ; 1,110 / 56,480 ( 2 % )                          ;
; Total registers                     ; 1683                                            ;
; Total pins                          ; 135 / 268 ( 50 % )                              ;
; Total virtual pins                  ; 0                                               ;
; Total block memory bits             ; 0 / 7,024,640 ( 0 % )                           ;
; Total DSP Blocks                    ; 0 / 156 ( 0 % )                                 ;
; Total HSSI RX PCSs                  ; 0 / 6 ( 0 % )                                   ;
; Total HSSI PMA RX Deserializers     ; 0 / 6 ( 0 % )                                   ;
; Total HSSI PMA RX ATT Deserializers ; 0                                               ;
; Total HSSI TX PCSs                  ; 0 / 6 ( 0 % )                                   ;
; Total HSSI PMA TX Serializers       ; 0 / 6 ( 0 % )                                   ;
; Total HSSI PMA TX ATT Serializers   ; 0 / 6 ( 0 % )                                   ;
; Total PLLs                          ; 0 / 13 ( 0 % )                                  ;
; Total DLLs                          ; 0 / 4 ( 0 % )                                   ;
+-------------------------------------+-------------------------------------------------+