There are 20 baskets of apples, 3/4 of pears, and 5/6 of oranges. How many baskets of oranges are there?
商店运来一批水果，其中苹果有20筐，梨的筐数是苹果的(3/4)，同时又是桔子的(5/6)，桔子有多少筐？
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">(3/4) / (5/6)</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">20 * (9/10)</gadget>
<output>18</output>

<result>18</result>