Class multiplication

class Perkalian():
    def __init__(self, a1, a2):
        self.a1 = a1
        self.a2 = a2

    def  __mul__(self, var):
        # x * 2
        print(self.a1 * var, self.a2 * var)

    def __rmul__(self, var):
         # 2 * x
        print(var * self.a1, var * self.a2)


var = Perkalian(1, 2)
print(var * 2)
print(2 * var)