Add 5 to a number, divide by 5, add 5, divide by 5, and the result is 5, then what is the number?
某数加上5，除以5，加上5，除以5，其结果等于5，那么这个数是几．
<gadget id="calculator">5 * 5</gadget>
<output>25</output>

<gadget id="calculator">25 - 5</gadget>
<output>20</output>

<gadget id="calculator">20 * 5</gadget>
<output>100</output>

<gadget id="calculator">100 - 5</gadget>
<output>95</output>

<result>95</result>