Method

In reply to chr_sue:
I have written this code but not getting correct value

class scaling;
  int pclk;
  int scaledown;
  real polling_cnt;
  
  function pri(int pclk, scaledown);
    realtime polling = 0.6us;
    polling_cnt = (polling * pclk) / scaledown;
  endfunction
endclass
module priyanka();
  scaling s=new();
  //int pclk,scaledown;
  initial begin
    s.pclk = 500000000;
    s.scaledown = 1000;
    s.pri(s.pclk,s.scaledown);
    $display("%d ",s.polling_cnt);
 end
endmodule