The store shipped 120 baskets of apples and oranges each. It is known that each basket of apples weighs 15 kg and each basket of oranges weighs 20 kg. How many kilograms do the two fruits weigh together?
商店运来苹果橘子各120筐．已知每筐苹果重15千克，每筐橘子重20千克．这两种水果共重多少千克？
<gadget id="calculator">15 + 20</gadget>
<output>35</output>

<gadget id="calculator">35 * 120</gadget>
<output>4_200</output>

<result>4_200</result>