There are 268 peach trees in the orchard, which are 155 fewer than apple trees. How many trees are there in total?
果园里有268棵桃树，比苹果树少155棵，两种树共有多少棵？
<gadget id="calculator">268 + 155</gadget>
<output>423</output>

<gadget id="calculator">423 + 268</gadget>
<output>691</output>

<result>691</result>