The number of marbles Jinwoo has is 2/3 of the number of marbles Seonghyeon has, and Cheolsu has 72 marbles. Find the number of marbles Jinwoo has when the sum of marbles Jinwoo and Cheolsu have is twice the number of marbles Seonghyeon has.
72 2 1 2/3 [OP_DIV] [OP_MUL] 1 [OP_SUB] [OP_DIV]
var_a = 72
var_b = 2
var_c = 1
var_d = 0.6666666666666666
var_e = var_c / var_d
var_f = var_b * var_e
var_g = 1
var_h = var_f - var_g
var_i = var_a / var_h
print(int(var_i))