There are 40 students in Class 1, Grade 5 of a certain school, who donated a total of 180 yuan to the people in the Yushu disaster area. Among them, 24 boys donated a total of 100 yuan. How much does each girl donate on average?
某校五年级1班有40人，为玉树灾区人民捐款，共捐180元．其中男生24人，共捐100元．平均每位女生捐款多少元？
<gadget id="calculator">180 - 100</gadget>
<output>80</output>

<gadget id="calculator">40 - 24</gadget>
<output>16</output>

<gadget id="calculator">80 / 16</gadget>
<output>5</output>

<result>5</result>