When a number is divided by 5, the quotient is 5 and the remainder is 3. What is the number?
一个数除以5，商是5，余数是3，这个数是多少．
<gadget id="calculator">5 * 5</gadget>
<output>25</output>

<gadget id="calculator">25 + 3</gadget>
<output>28</output>

<result>28</result>