It takes 5 days to make 60 toys with an (a) machine. How many days does it take to make 540 toys with an (a) machine?
540 60 [OP_DIV] 5 [OP_MUL]
var_a = 540
var_b = 60
var_c = var_a / var_b
var_d = 5
var_e = var_c * var_d
print(int(var_e))