There are 57 rocks in box A, 25 of which are basalt. There are 49 rocks in box B, 19 of which are basalt. Find out the total number of the rocks in the box A and B that are not basalt.
57 25 [OP_SUB] 49 19 [OP_SUB] [OP_ADD]
var_a = 57
var_b = 25
var_c = var_a - var_b
var_d = 49
var_e = 19
var_f = var_d - var_e
var_g = var_c + var_f
print(int(var_g))