50 students line up in a row and report their numbers in the order of 2, 4, 6..., then what is the number reported by the last student.
50名同学排成一排，按照2、4、6…的顺序依次报数，那么最后一位同学报的数字是多少．
<gadget id="calculator">50 * 2</gadget>
<output>100</output>

<result>100</result>