Divide 5 times a number by 6, the quotient is 5 and the remainder is 5. What is the number?
一个数的5倍再除以6，商5余5，这个数是多少．
<gadget id="calculator">6 * 5</gadget>
<output>30</output>

<gadget id="calculator">30 + 5</gadget>
<output>35</output>

<gadget id="calculator">35 / 5</gadget>
<output>7</output>

<result>7</result>