There are 120 apple trees in the orchard, which are 25% less than pear trees. How many pear trees are there? What is the column
果园里有苹果树120棵，比梨树少25%，梨树有多少棵？列式是多少
<gadget id="calculator">25 / 100</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>