The weight of a primary school student is 25 kg, and the weight of how many such primary school students is about 1 ton.
一个小学生的体重是25千克，多少个这样的小学生的体重大约是1吨．
<gadget id="calculator">1_000 / 25</gadget>
<output>40</output>

<gadget id="calculator">1 * 40</gadget>
<output>40</output>

<result>40</result>