When Xiao Ming divides a number by 12, he mistakenly regards the division sign as a plus sign, so the result he calculates is 240. What should be the correct answer.
小明在计算一个数除以12时，错把除号看作加号，这样，他算出的结果是240．正确的答案应该是多少．
<gadget id="calculator">240 - 12</gadget>
<output>228</output>

<gadget id="calculator">228 / 12</gadget>
<output>19</output>

<result>19</result>