There are four kinds of fruit trees in the orchard: apple tree, pear tree, peach tree, and plum tree. Each kind of fruit tree has 26 rows, and each row has 35 trees. How many fruit trees are there in total in the orchard?
果园里有苹果树、梨树、桃树、李子树四种果树，每种果树有26行，每行35棵，果园里一共有多少棵果树？
<gadget id="calculator">35 * 26 * 4</gadget>
<output>3_640</output>

<result>3_640</result>