If a is a natural number that is not zero, what is 8 / 1 △ a 1 / 8 △ a = how much? 1 / a △ 8 = how much?

If a is a natural number that is not zero, what is 8 / 1 △ a 1 / 8 △ a = how much? 1 / a △ 8 = how much?

8/1÷A=8/A
1/8÷A=1/8A
1/a÷8=1/8a