There are 2020 apples in the orchard, every 25 are packed into a box, and there are 20 left after packing. How many boxes were packed in total?
果园里共有2020个苹果，每25个装一箱，装完后还剩20个．一共装了多少箱？
<gadget id="calculator">2_020 - 20</gadget>
<output>2_000</output>

<gadget id="calculator">2_000 / 25</gadget>
<output>80</output>

<result>80</result>