There are 100 pear trees in the second orchard, just accounting for (2/5) of the fruit trees in the orchard. How many fruit trees are there in the second orchard?
第二果园里有梨树100棵，正好占果园里果树的(2/5)，第二果园共有果树多少棵？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">100 / (2/5)</gadget>
<output>250</output>

<result>250</result>