A football is 5% more expensive than a volleyball. It costs 48 yuan to buy a volleyball. How much does it cost to buy a football?
一个足球比一个排球贵5%，买一个排球花48元，买一个足球花多少钱？
<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">1 + (1/20)</gadget>
<output>21/20 = around 1.05</output>

<gadget id="calculator">48 * (21/20)</gadget>
<output>252/5 = around 50.4</output>

<result>252/5 = around 50.4</result>