When a number is divided by 5, the quotient is 7 and the remainder is 3. What is the number?
一个数除以5，商是7，余数是3，这个数是多少．
<gadget id="calculator">7 * 5</gadget>
<output>35</output>

<gadget id="calculator">35 + 3</gadget>
<output>38</output>

<result>38</result>