total_amount

def total_amount(a,b,c,num):

#Insert your code below this line

result = a * b * c * num * 7
    return result

#Do not change the code below this line
def test_total_amount():
    assert total_amount(0, 0, 0, 20) == 0

    assert total_amount(1, 1, 1, 0) == 0

    assert total_amount(1, 1, 1, 20) == 140

    assert total_amount(1, 2, 3, 100) == 4200

    print ("test passed")

test_total_amount()