I want to subtract a number from 20. I mistakenly multiplied 4 by a number, and the result was 52. What is the correct calculation result?
20 52 4 [OP_DIV] [OP_SUB]
var_a = 20
var_b = 52
var_c = 4
var_d = var_b / var_c
var_e = var_a - var_d
print(int(var_e))