Grandpa Wang spent 125 yuan to buy 5 lambs. He wants to buy 3 more lambs like this. How much money does he need to prepare?
王爷爷买5只小羊用了125元，他还想再买3只这样的小羊，需要准备多少钱？
<gadget id="calculator">125 / 5</gadget>
<output>25</output>

<gadget id="calculator">25 * 3</gadget>
<output>75</output>

<result>75</result>