In the third grade, 35 people participated in the singer competition, in the fourth grade there were 28 more than in the third grade, and in the fifth grade the number was twice the total number of the third and fourth grades. How many people in fifth grade participate in the competition?
三年级有35人参加歌手比赛，四年级的人数比三年级多了28人，五年级的人数是三年级和四年级总人数的2倍．五年级有多少人参加比赛？
<gadget id="calculator">35 + 35 + 28</gadget>
<output>98</output>

<gadget id="calculator">98 * 2</gadget>
<output>196</output>

<result>196</result>