There are 800 fruit trees in the orchard, among which peach trees account for (5/16) of the total number of fruit trees, and pear trees account for (2/5) of the total number of peach trees. How many pear trees are there?
果园里共有果树800棵，其中桃树占果树总数的(5/16)，梨树又占桃树总数的(2/5)，梨树有多少棵？
<result>200</result>