There are 80 peach trees in the orchard, which are pear trees (5/6), and pear trees are apple trees (2/3), how many apple trees are there in the orchard?
果园里有桃树80棵，是梨树的(5/6)，梨树又是苹果树的(2/3)，果园里有苹果树多少棵？
<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">80 / (5/6) / (2/3)</gadget>
<output>144</output>

<result>144</result>