There are 140 apple trees and half the number of pear trees in the orchard. How many apple and pear trees are there in the orchard?
果园里有140棵苹果树，梨树的棵数是苹果树的一半，果园里共有苹果树和梨树多少棵？
<gadget id="calculator">140 / 2</gadget>
<output>70</output>

<gadget id="calculator">140 + 70</gadget>
<output>210</output>

<result>210</result>