There are 260 pear trees in the orchard, and the number of pear trees is 20 more than three times that of peach trees. How many peach trees are there in the orchard?
果园里有梨树260棵，梨树的棵数比桃树的3倍还多20棵，果园里有桃树多少棵？
<gadget id="calculator">260 - 20</gadget>
<output>240</output>

<gadget id="calculator">240 / 3</gadget>
<output>80</output>

<result>80</result>