There are 256 students in the fifth grade of the school, which is 32 students less than twice the number of the first grade. How many people are there in first grade?
学校五年级共有256人，比一年级人数的2倍少32人．一年级有多少人？
<gadget id="calculator">256 + 32</gadget>
<output>288</output>

<gadget id="calculator">288 / 2</gadget>
<output>144</output>

<result>144</result>