The fruit shop brings in a batch of fruits and sells 14 boxes of 30 kg each, leaving 80 kg left. How many kilograms is this batch of fruit in total?
水果店运进一批水果，卖出14箱，每箱30千克，还剩80千克．这批水果一共有多少千克？
<gadget id="calculator">14 * 30</gadget>
<output>420</output>

<gadget id="calculator">420 + 80</gadget>
<output>500</output>

<result>500</result>