Teacher Wang bought 3 balls for the school and spent 75 yuan. How much money do I need to prepare if I buy 5 more balls like this?
王老师给学校买了3个皮球，花了75元，如果再买5个这样的皮球，需要准备多少钱？
<gadget id="calculator">75 / 3</gadget>
<output>25</output>

<gadget id="calculator">25 * 5</gadget>
<output>125</output>

<result>125</result>