A triangular pyramid has a base area of 3 square centimeters (cm2) and a side area of 6 square centimeters (cm2). Find the surface area of this triangular pyramid.
3 6 3 [OP_MUL] [OP_ADD]
var_a = 3
var_b = 6
var_c = 3
var_d = var_b * var_c
var_e = var_a + var_d
print(int(var_e))