Xiangyang fruit shop shipped (1/5) tons of pears, (5/6) tons of apples, and (1/12) tons less oranges than the sum of pears and apples. How many tons of oranges were shipped?
向阳水果店运来梨(1/5)吨，运来苹果(5/6)吨，运来的桔子比梨和苹果的总和少(1/12)吨，运来桔子多少吨．
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

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

<gadget id="calculator">1 / 12</gadget>
<output>1/12 = around 0.083333</output>

<gadget id="calculator">(5/6) - (1/12)</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">(1/5) + (3/4)</gadget>
<output>19/20 = around 0.95</output>

<result>19/20 = around 0.95</result>