When a number is divided by 5, the quotient is 8 and the remainder is 3. What is the number?
一个数除以5，商是8，余数是3，这个数是多少．
<gadget id="calculator">5 * 8</gadget>
<output>40</output>

<gadget id="calculator">40 + 3</gadget>
<output>43</output>

<result>43</result>