4 bricks weigh 10 kg, how many such bricks weigh 1 ton.
4块砖重10千克，多少块这样的砖重1吨．
<gadget id="calculator">1_000 / 10</gadget>
<output>100</output>

<gadget id="calculator">1 * 100 * 4</gadget>
<output>400</output>

<result>400</result>