There are 800 packages of grain in the warehouse, 250 packages were shipped in the morning and 375 packages in the afternoon, how many packages are left?
仓库有800包粮食，上午运走了250包，下午运走了375包，还剩多少包？
<gadget id="calculator">800 - 250 - 375</gadget>
<output>175</output>

<result>175</result>