There are 165 students in the fourth and fifth grades, and the number of fifth graders is 15 more than twice that of the fourth graders. How many students are there in the fifth grades?
四、五年级共有学生165人，其中五年级的人数比四年级的2倍还多15人，五年级有多少人．
<gadget id="calculator">165 - 15</gadget>
<output>150</output>

<gadget id="calculator">2 + 1</gadget>
<output>3</output>

<gadget id="calculator">150 / 3</gadget>
<output>50</output>

<gadget id="calculator">50 * 2</gadget>
<output>100</output>

<gadget id="calculator">100 + 15</gadget>
<output>115</output>

<result>115</result>