There are 480 peach trees, pear trees, and apple trees in the orchard, among which peach trees account for (1/6) of the total. The ratio of pear trees to apple trees is 9:7, how many pear trees are there?
果园里有桃树、梨树、苹果树共480棵，其中桃树占总数的(1/6)．梨树与苹果树的棵数比是9：7，梨树有多少棵？
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">1 - (1/6)</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">9 + 7</gadget>
<output>16</output>

<gadget id="calculator">9 / 16</gadget>
<output>9/16 = around 0.5625</output>

<gadget id="calculator">480 * (5/6) * (9/16)</gadget>
<output>225</output>

<result>225</result>