An orchard has 40 apple trees, 5/8 as many pear trees as apple trees, and 5 less peach trees than twice as many pear trees. How many peach trees are there in the orchard?
一个果园有苹果树40棵，梨树的棵数是苹果树的(5/8)，桃树的棵树比梨树的2倍少5棵．果园里有桃树多少棵？
<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">40 * (5/8) * 2</gadget>
<output>50</output>

<gadget id="calculator">50 - 5</gadget>
<output>45</output>

<result>45</result>