This year, Jungkook is 16 years old and his mother is 46 years old. How many years ago was Jungkook's mother's age four times Jungkook's?
16 4 [OP_MUL] 46 [OP_SUB] 4 1 [OP_SUB] [OP_DIV]
var_a = 16
var_b = 4
var_c = var_a * var_b
var_d = 46
var_e = var_c - var_d
var_f = 4
var_g = 1
var_h = var_f - var_g
var_i = var_e / var_h
print(int(var_i))