Subtract 12 continuously from 144, after how many times, the result is 12.
从144里连续减去12，减了多少次后，结果是12．
<gadget id="calculator">144 - 12</gadget>
<output>132</output>

<gadget id="calculator">132 / 12</gadget>
<output>11</output>

<result>11</result>