Uncle Zhang spent 1,500 yuan to buy 6 piglets, and he wants to buy 8 more piglets like this. How much more money does he need to prepare? (What other math questions can you ask?)
张大叔买6只小猪用了1500元，他还想买8只这样的小猪，需要再准备多少钱？(你还可以提出什么数学问题？)
<gadget id="calculator">1_500 / 6</gadget>
<output>250</output>

<gadget id="calculator">250 * 8</gadget>
<output>2_000</output>

<gadget id="calculator">1_500 + 2_000</gadget>
<output>3_500</output>

<result>3_500</result>