There are 373 boys and 341 girls in the first grade of the experimental primary school. There are 549 people who have checked their bodies, how many people have not checked their bodies?
实验小学一年级有男生373人，女生341人．已经检查身体的有549人，没检查身体的有多少人？
<gadget id="calculator">341 - 549</gadget>
<output>-208</output>

<gadget id="calculator">373 + (-208)</gadget>
<output>165</output>

<result>165</result>