On Minho's desk, there is a triangular ruler with a base of 15 centimeters (cm) and a height of 20 centimeters (cm). What is the area of this triangle in square centimeters?
15 20 [OP_MUL] 2 [OP_DIV]
var_a = 15
var_b = 20
var_c = var_a * var_b
var_d = 2
var_e = var_c / var_d
print(int(var_e))