When a number is divided by 12, the quotient is 20 and the remainder is 2. What is the number?
一个数除以12，商是20，余数是2，这个数是多少
<gadget id="calculator">20 * 12</gadget>
<output>240</output>

<gadget id="calculator">240 + 2</gadget>
<output>242</output>

<result>242</result>