The store shipped 12 baskets of pears and 20 baskets of apples, weighing a total of 1500 kilograms. Each basket of pears weighs 50 kilograms. How much does each basket of apples weigh? (Answer in two ways.)
商店运来12筐梨和20筐苹果，一共重1500千克，每筐梨重50千克，每筐苹果重多少千克？(用两种方法解答．)
<gadget id="calculator">1_500 - 600</gadget>
<output>900</output>

<gadget id="calculator">900 / 20</gadget>
<output>45</output>

<result>45</result>