Find the total volume if you stack 7 rows, 5 columns, and 3 layers of Legos, each measuring 1 centimeter (cm) in length, width, and height.
1 7 [OP_MUL] 1 5 [OP_MUL] [OP_MUL] 1 3 [OP_MUL] [OP_MUL]
var_a = 1
var_b = 7
var_c = var_a * var_b
var_d = 1
var_e = 5
var_f = var_d * var_e
var_g = var_c * var_f
var_h = 1
var_i = 3
var_j = var_h * var_i
var_k = var_g * var_j
print(int(var_k))