There are 75 pear trees in the orchard. The number of peach trees is (3/5) that of pear trees and (5/9) of apple trees. How many apple trees are there in this orchard?
果园里有梨树75棵．桃树的棵数是梨树的(3/5)，同时又是苹果树的(5/9)．这个果园有苹果树多少棵？
<gadget id="calculator">5 / 9</gadget>
<output>5/9 = around 0.555556</output>

<gadget id="calculator">45 * (5/9)</gadget>
<output>25</output>

<result>25</result>