There are 257 people in Xinxing Primary School who subscribe to "China Youth Daily" and 228 people who subscribe to "Youth Science and Technology News". There are 65 people who subscribe to both newspapers, and 44 people who don’t subscribe to both newspapers. How many people are there in Xinxing Primary School?
新星小学订阅《中国少年报》的有257人，订阅《少年科技报》的有228人．两种报纸都订阅的有65人，两种报纸都没有订阅的有44人，你来算一算新星小学有多少人？
<gadget id="calculator">228 - 65</gadget>
<output>163</output>

<gadget id="calculator">257 + 163 + 44</gadget>
<output>464</output>

<result>464</result>