The third-grade teachers and students of Xingguang Primary School took 5 buses to visit the Science and Technology Museum. The first 4 buses each had 60 people in them, and the last bus had 57 people in them. How many teachers and students are there in the Science and Technology Museum?
星光小学三年级师生乘坐5辆大客车去参观科技馆，前4辆车每辆都坐了60人，最后一辆车坐了57人．参加科技馆的老师和学生一共有多少人？
<gadget id="calculator">60 * 4</gadget>
<output>240</output>

<gadget id="calculator">240 + 57</gadget>
<output>297</output>

<result>297</result>