The fruit shop shipped 18 baskets of pears and 15 baskets of apples, weighing 735 kilograms in total. Each basket of pears weighs 20 kilograms. How much does each basket of apples weigh?
水果店运来18筐梨和15筐苹果，一共重735千克，每筐梨重20千克，每筐苹果重多少千克？
<gadget id="calculator">18 * 20</gadget>
<output>360</output>

<gadget id="calculator">735 - 360</gadget>
<output>375</output>

<gadget id="calculator">375 / 15</gadget>
<output>25</output>

<result>25</result>