There are 125 young pioneers in the first grade, 25 more in the second grade than in the first grade, twice as many young pioneers in the third grade, how many young pioneers are there in the third grade?
一年级有少先队员125人，二年级比一年级多25人，三年级少先队员的人数是二年级的2倍，三年级有少先队员多少人？
<gadget id="calculator">78 + 25</gadget>
<output>103</output>

<gadget id="calculator">103 * 2</gadget>
<output>206</output>

<result>206</result>