There are 120 peach trees in the orchard, which are less than pear trees (1/4). How many pear trees are there?
果园里有桃树120棵，比梨树少(1/4)，梨树有多少棵？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 - (1/4)</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">120 / (3/4)</gadget>
<output>160</output>

<result>160</result>