Jiajia Toffee is now on sale at 20% off, how many kilograms can you buy now with the money you bought 24kg before the promotion?
佳佳奶糖现以八折促销，用促销前买24千克的钱，现可以买多少千克．
<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">1 * (4/5)</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">24 / (4/5)</gadget>
<output>30</output>

<gadget id="calculator">1 * 30</gadget>
<output>30</output>

<result>30</result>