The fruit shop brings 5 baskets of apples, sells 60 kilograms, and there are 15 kilograms left. How many kilograms does each basket of apples weigh on average?
水果店运来5筐苹果，卖了60千克，还剩15千克，平均每筐苹果重多少千克？
<gadget id="calculator">60 + 15</gadget>
<output>75</output>

<gadget id="calculator">75 / 5</gadget>
<output>15</output>

<result>15</result>