An orchard needs to plant peach trees, apple trees and pear trees, among which peach trees and pear trees account for (13/16) of the total area, and apple trees and pear trees account for (5/8) of the total area. What percentage of the total area is the area of pear trees?
一个果园要种桃树、苹果树和梨树，其中种的桃树和梨树占总面积的(13/16)，苹果树和梨树占总面积的(5/8)．梨树的面积占总面积的几分之几？
<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">13 / 16</gadget>
<output>13/16 = around 0.8125</output>

<gadget id="calculator">1 - (13/16)</gadget>
<output>3/16 = around 0.1875</output>

<gadget id="calculator">(5/8) - (3/16)</gadget>
<output>7/16 = around 0.4375</output>

<result>7/16 = around 0.4375</result>