There are 368 boys and 287 girls in Guangming Primary School. 395 of them have had their health checks. How many people have not had their health checks?
光明小学有男生368人，女生287人，已经检查身体的有395人，还有多少人没有检查身体？
<gadget id="calculator">287 - 395</gadget>
<output>-108</output>

<gadget id="calculator">368 + (-108)</gadget>
<output>260</output>

<result>260</result>