The fourth grade students of Sunshine Elementary School are divided into two batches to go on an autumn tour. Each batch has 4 cars, and each car can accommodate exactly 45 people. How many people are there in the fourth grade?
阳光小学四年级学生分2批去秋游，每批有4辆车，每辆车正好坐45人，四年级一共有多少人？
<gadget id="calculator">45 * 4 * 2</gadget>
<output>360</output>

<result>360</result>