A supermarket brings in 58 boxes of apples and 42 boxes of pears, each weighing 15 kg. How many kilograms are the apples and pears delivered in total?
一个超市运进58箱苹果和42箱梨，每箱都重15千克．运来的苹果和梨一共多少千克？
<gadget id="calculator">15 * 58</gadget>
<output>870</output>

<gadget id="calculator">15 * 42</gadget>
<output>630</output>

<gadget id="calculator">870 + 630</gadget>
<output>1_500</output>

<result>1_500</result>