There are 120 boys in the fifth grade of Hongxing Primary School, which is 30 fewer than twice the number of girls. How many people are there in the fifth grade of Hongxing Primary School?
红星小学五年级有男生120人，比女生人数的2倍少30人，红星小学五年级一共有多少人？
<gadget id="calculator">120 + 30</gadget>
<output>150</output>

<gadget id="calculator">150 / 2</gadget>
<output>75</output>

<gadget id="calculator">75 + 120</gadget>
<output>195</output>

<result>195</result>