9 times of a certain number is 240 more than 4 times of this number, what is this number?
某数的9倍比这个数的4倍多240，这个数是多少．
<gadget id="calculator">9 - 4</gadget>
<output>5</output>

<gadget id="calculator">240 / 5</gadget>
<output>48</output>

<result>48</result>