There are 160 peach trees, apricot trees, and apple trees in the orchard, among which apple trees account for 1/4 of the total. The ratio of peach trees to apple trees is 7:8. How many apricot trees are there?
果园里有桃树、杏树、苹果树共160棵，其中苹果树占总数的(1/4)，桃树与苹果树的比是7：8，杏树有多少棵？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">160 * (1/4)</gadget>
<output>40</output>

<gadget id="calculator">7 / 8</gadget>
<output>7/8 = around 0.875</output>

<gadget id="calculator">40 * (7/8)</gadget>
<output>35</output>

<gadget id="calculator">160 - 40 - 35</gadget>
<output>85</output>

<result>85</result>