Qianqian is 84 centimeters tall, and how many centimeters she grows is 1 meter.
倩倩身高84厘米，再长多少厘米就是1米．
<gadget id="calculator">1 * 100</gadget>
<output>100</output>

<gadget id="calculator">100 - 84</gadget>
<output>16</output>

<result>16</result>