Modulo Multiplication

def mulmod(computation: BaseComputation) -> None:
    """
    Modulo Multiplication
    """
    left, right, mod = computation.stack_pop(num_items=3, type_hint=constants.UINT256)

    if mod == 0:
        result = 0
    else:
        result = (left * right) % mod
    computation.stack_push(result)