A store shipped 18 boxes of apples and 22 boxes of pears, each weighing 50 kilograms. How many kilograms of apples and pears were shipped in total?
某商店运来18箱苹果和22箱梨，每箱都是50千克，运来的苹果和梨共多少千克？
<gadget id="calculator">18 + 22</gadget>
<output>40</output>

<gadget id="calculator">50 * 40</gadget>
<output>2_000</output>

<result>2_000</result>