A supermarket shipped 158 boxes of grapes and 158 boxes of pears, each box of grapes was 15 kg, and each box of pears was 25 kg. How many kilograms are the grapes and pears delivered in total?
某超市运来葡萄和梨各158箱，每箱葡萄15千克，每箱梨25千克．运来的葡萄和梨一共多少千克？
<gadget id="calculator">158 * 15</gadget>
<output>2_370</output>

<gadget id="calculator">158 * 25</gadget>
<output>3_950</output>

<gadget id="calculator">2_370 + 3_950</gadget>
<output>6_320</output>

<result>6_320</result>