A number multiplied by 4 and then multiplied by 25 gives 812. Find the number.
812 25 [OP_DIV] 4 [OP_DIV]
var_a = 812
var_b = 25
var_c = var_a / var_b
var_d = 4
var_e = var_c / var_d
print('{:.2f}'.format(round(var_e+1e-10,2)))