There are 200 peach trees in the orchard, 50 less than the number of pear trees (1/5). How many pear trees are there in the orchard?
果园里有桃树200棵，比梨树的(1/5)少50棵，果园里有梨树多少棵？
<gadget id="calculator">200 + 50</gadget>
<output>250</output>

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">250 / (1/5)</gadget>
<output>1_250</output>

<result>1_250</result>