There are 40 more peach trees than apricot trees in the orchard, and the number of apricot trees is 80% of that of peach trees. How many peach trees are there?
果园里的桃树比杏树多40棵，杏树的棵数是桃树的80%，桃树有多少棵？
<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">1 - (4/5)</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">40 / (1/5)</gadget>
<output>200</output>

<result>200</result>