There are 80 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 5:4. How many peach trees are there?
果园里有桃树、杏树、苹果树共80棵，其中苹果树占总数的(1/4)，桃树和苹果树的比是5：4，桃树有多少棵？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">5 / 4</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">80 * (1/4) * (5/4)</gadget>
<output>25</output>

<result>25</result>