There are 27 peach trees and 35 pear trees in the orchard. Apple trees are twice the total number of peach and pear trees. How many apple trees are there?
果园里桃树有27棵，梨树有35棵，苹果树是桃树和梨树总数的2倍，苹果树有多少棵？
<gadget id="calculator">27 + 35</gadget>
<output>62</output>

<gadget id="calculator">62 * 2</gadget>
<output>124</output>

<result>124</result>