The fruit shop brought a batch of fruits, including 16 baskets of apples and 21 baskets of oranges. Each basket of fruit weighs 25 kilograms, how much less are apples than oranges?
水果店运来一批水果，其中苹果16筐，橘子21筐．每筐水果都是25千克，苹果比橘子少多少千克？
<gadget id="calculator">25 - 16</gadget>
<output>9</output>

<gadget id="calculator">9 * 25</gadget>
<output>225</output>

<result>225</result>