There are 6 classes in the third grade, each class has 4 groups, and each group has 10 students. How many students are there in the third grade?
三年级有6个班，每班有4个小组，每小组有10人，三年级共有多少人？
<gadget id="calculator">6 * 4 * 10</gadget>
<output>240</output>

<result>240</result>