There are 80 peach trees in the orchard, which are pear trees (4/5), 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(4/5)，梨树又是苹果树的(2/3)，果园里有苹果树多少棵？
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">80 / (4/5)</gadget>
<output>100</output>

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

<gadget id="calculator">100 / (2/3)</gadget>
<output>150</output>

<result>150</result>