If the sum of 5 consecutive even numbers is 100, what is the largest even number?
如果5个连续偶数的和是100，那么最大的一个偶数是多少．
<gadget id="calculator">100 / 5</gadget>
<output>20</output>

<gadget id="calculator">20 + 4</gadget>
<output>24</output>

<result>24</result>