The sum of 3 times a number and 2 times this number is 140, what is this number?
一个数的3倍与这个数的2倍的和是140，这个数是多少？
<gadget id="calculator">2 + 3</gadget>
<output>5</output>

<gadget id="calculator">140 / 5</gadget>
<output>28</output>

<result>28</result>