A bear weighs 500 kg, how many tons do 2 bears weigh?
一只熊重500千克，2只熊重多少吨．
<gadget id="calculator">2 * 500</gadget>
<output>1_000</output>

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

<result>1</result>