There are 98 students in the fourth grade who participated in the National Day performance, and the number of participants in the fifth grade is 15 less than twice that of the fourth grade. How many students in the fifth grade participated in the performance?
四年级有98人参加国庆节演出，五年级参加的人数比四年级的2倍少15人，五年级有多少学生参加演出？
<gadget id="calculator">98 * 2</gadget>
<output>196</output>

<gadget id="calculator">196 - 15</gadget>
<output>181</output>

<result>181</result>