8 times a number is 72 more than 5 times this number, find this number.
一个数的8倍比这个数的5倍多72，求这个数．
<gadget id="calculator">8 - 5</gadget>
<output>3</output>

<gadget id="calculator">72 / 3</gadget>
<output>24</output>

<result>24</result>