There are 120 peach trees in the orchard, and there are 20% fewer pear trees than peach trees. How many pear trees are there in the orchard?
果园里有120棵桃树，梨树比桃树少20%，果园里有梨树多少棵？
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 - (1/5)</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">120 * (4/5)</gadget>
<output>96</output>

<result>96</result>