The school participates in the group gymnastics competition. There are 80 students in the fourth grade, and 1.5 times the number in the fifth grade. How many people in the two grades participate in the group gymnastics competition?
学校参加团体操大赛，四年级有80人，五年级的人数是四年级的1.5倍，两个年级一共有多少人参加团体操大赛？
<gadget id="calculator">80 * 1.5</gadget>
<output>120</output>

<gadget id="calculator">120 + 80</gadget>
<output>200</output>

<result>200</result>