In the love donation activity for the disaster-stricken areas in Sichuan, 24 boys from Class 1 donated a total of 320 yuan, and 16 girls donated an average of 17.5 yuan each. How much is the average donation per person in the class?
在为四川灾区爱心捐款活动中，六1班24名男生共捐款320元，16名女生平均每人捐款17.5元．全班平均每人捐款多少元？
<gadget id="calculator">16 * 17.5</gadget>
<output>280</output>

<gadget id="calculator">320 + 280</gadget>
<output>600</output>

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

<gadget id="calculator">600 / 40</gadget>
<output>15</output>

<result>15</result>