Reality, Simulation Hypothesis, Simulation, Mathematics, Infinity.
(Incidentally, since 1 is a whole number — an integer — and 1/1 = 1, it also makes all the whole numbers rational as well — 2/1=2, etc.) So from any rational number you can always go back to a fraction of two whole numbers. e.g. 0.5 = 1/2. That means: Multiplying or dividing two rational numbers