To celebrate Children's Day, the kindergarten bought back 440 prizes, and after distributing them to 8 classes, there were still 40 prizes left. How many prizes are awarded per class on average?
庆六一活动，幼儿园买回440份奖品，分给8个班后，还剩下40份．平均每班分得奖品多少份？
<gadget id="calculator">440 - 40</gadget>
<output>400</output>

<gadget id="calculator">400 / 8</gadget>
<output>50</output>

<result>50</result>