After dividing a number by 3, add 6, subtract 7, and multiply by 5. The product is 10. What is this number?
一个数除以3后再加6，减7，再乘以5，积是10，这个数是多少？
<gadget id="calculator">10 / 5</gadget>
<output>2</output>

<gadget id="calculator">7 - 6</gadget>
<output>1</output>

<gadget id="calculator">2 + 1</gadget>
<output>3</output>

<gadget id="calculator">3 * 3</gadget>
<output>9</output>

<result>9</result>