The fruit shop has a total of 328 boxes of pears, 72 boxes are sold on the first day, and 228 boxes are sold on the second day. How many boxes of pears are left?
水果店一共328箱梨，第一天卖出72箱，第二天卖出228箱，还剩多少箱梨？
<gadget id="calculator">72 + 228</gadget>
<output>300</output>

<gadget id="calculator">328 - 300</gadget>
<output>28</output>

<result>28</result>