The store shipped 124 boxes of apples and 76 boxes of oranges, each weighing 15 kilograms. Please help me calculate how many kilograms are there in total?
商店运来124箱苹果和76箱桔子，每箱重15千克，请你帮助算一算，一共有多少千克？
<gadget id="calculator">124 + 76</gadget>
<output>200</output>

<gadget id="calculator">15 * 200</gadget>
<output>3_000</output>

<result>3_000</result>