The fruit shop shipped 15 baskets of apples in the morning and 20 baskets in the afternoon, and 225 kilograms more in the afternoon than in the morning. How many kilograms does each basket weigh on average?
水果店上午运来15筐苹果，下午运来20筐，下午比上午多运来225千克，平均每筐重多少千克？
<gadget id="calculator">20 - 15</gadget>
<output>5</output>

<gadget id="calculator">225 / 5</gadget>
<output>45</output>

<result>45</result>