Lejia delivered 40 boxes of apples and 40 oranges each, 18 kilograms of apples per box, and 25 kilograms of oranges per box. How many kilograms are there in total for these two fruits?
乐家百货运来苹果和橘子各40箱，苹果每箱18千克，橘子每箱25千克．这两种水果一共有多少千克？
<gadget id="calculator">18 + 25</gadget>
<output>43</output>

<gadget id="calculator">43 * 40</gadget>
<output>1_720</output>

<result>1_720</result>