There are 40 trees in the orchard, and apple trees account for just 5/8 of the total. How many apple trees are there in the orchard?
果园里有40棵树，苹果树刚好占总数的(5/8)，果园里有苹果树多少棵．
<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">40 * (5/8)</gadget>
<output>25</output>

<result>25</result>