The students watered the young saplings. There were 40 people in the first class of the fourth grade and 35 people in the second class of the fourth grade. On average, each person watered 5 trees, which was just finished. How many saplings are there altogether?
同学们给小树苗浇水，四年级一班有40人，四年级二班有35人，平均每人浇5棵，正好浇完．一共有多少棵小树苗．
<gadget id="calculator">40 + 35</gadget>
<output>75</output>

<gadget id="calculator">75 * 5</gadget>
<output>375</output>

<result>375</result>