I hope there are 125 girls and 155 boys in the third grade of elementary school. They will be divided into 4 groups on average when visiting the museum. How many people are there in each group?
希望小学三年级有女生125人，男生155人，参观博物馆时平均分成4组，每组有多少人？
<gadget id="calculator">125 + 155</gadget>
<output>280</output>

<gadget id="calculator">280 / 4</gadget>
<output>70</output>

<result>70</result>