The empirical rule (or the 68-95-99.7 rule) tells us that `EMPIRICAL\%` of the ANIMALS will have lifespans within plural( abs( Z ), "standard deviation" ) of the average lifespan.

The reaction is `\blue{GIVEN_RATIO}GIVEN + R2_RATIOR2 \rightarrow \red{P1_RATIO}P1 + P2_RATIOP2`. The coefficients in front of each molecule tell us in what ratios the molecules react. In this case cardinalThrough20(GIVEN_RATIO) `GIVEN` for every cardinalThrough20(P1_RATIO) `P1` plural("molecule", P1_RATIO).

He will have ITEMS_LEFT plural(item(1), ITEMS_LEFT) left over.

He will have plural(ITEMS_LEFT, item(1)) left over.

The length is plural(S, UNIT_TEXT) and the width is plural(S, UNIT_TEXT).

One side of a square is `S` plural(UNIT_TEXT, S) long. What is its area?