When Hoseok bought item (a) at the mart, he paid 7, 4, and 5 1,000 won, 100 won, and 10 won coins, respectively. What is the price of the item (a)?
1000 7 [OP_MUL] 100 4 [OP_MUL] [OP_ADD] 10 5 [OP_MUL] [OP_ADD]
var_a = 1000
var_b = 7
var_c = var_a * var_b
var_d = 100
var_e = 4
var_f = var_d * var_e
var_g = var_c + var_f
var_h = 10
var_i = 5
var_j = var_h * var_i
var_k = var_g + var_j
print(int(var_k))