An apple tree can fill 20 baskets. Each basket can be filled with 15 apples. How many apples can you get from 10 trees?
You can get 20 x 15 = 
<gadget id="calculator">20*15</gadget>
<output>300</output>
300 apples per tree.
So a total of 300 x 10 = 
<gadget id="calculator">300*10</gadget>
<output>3_000</output>
3000 apples can be gotten from 10 trees.

<result>3_000</result>