There are 65 ginkgo trees in the park, _________________________, how many ginkgo trees and willows are there altogether? (Add a condition to turn it into a two-step solution)
公园里有银杏树65棵，_________________________，银杏树和柳树一共有多少棵？(补充一个条件，变成两步解答的问题)
<result>10</result>