There are 56 longan trees planted in the orchard, and the number of litchi trees is 8 times that of the longan trees. How many longan trees and litchi trees are there in total?
果园里种了56棵龙眼树，种的荔枝树是龙眼树的8倍，种的龙眼树和荔枝树一共有多少棵？
<gadget id="calculator">8 + 1</gadget>
<output>9</output>

<gadget id="calculator">56 * 9</gadget>
<output>504</output>

<result>504</result>