The quotient of 72 divided by a number is 10, and the remainder is 2. Find this number.
72除以一个数商是10，余数是2，求这个数．
<gadget id="calculator">72 - 2</gadget>
<output>70</output>

<gadget id="calculator">70 / 10</gadget>
<output>7</output>

<result>7</result>