A student weighs 25 kg, how many tons do 40 students weigh?
一名学生体重25千克，40名学生重多少吨．
<gadget id="calculator">25 * 40</gadget>
<output>1_000</output>

<gadget id="calculator">1_000 / 1_000</gadget>
<output>1</output>

<result>1</result>