Yoongi tries to subtract 7 from an unknown number. But when he accidentally multiplied it by 5, the result was 30. Find the correct result.
30 5 [OP_DIV] 7 [OP_SUB]
var_a = 30
var_b = 5
var_c = var_a / var_b
var_d = 7
var_e = var_c - var_d
print(int(var_e))