6 is the result of accidentally dividing a number by 15 when it is supposed to be multiplied by 15. How much do you get if you calculate correctly?
15 6 15 [OP_MUL] [OP_MUL]
var_a = 15
var_b = 6
var_c = 15
var_d = var_b * var_c
var_e = var_a * var_d
print(int(var_e))