The school cafeteria bought (5/6) tons of rice, and after using (5/6) tons, used (1/12) tons, how many tons of rice are left in the cafeteria?
学校食堂购买了(5/6)吨大米，用去(5/6)后，又用去(1/12)吨，食堂还剩大米多少吨？
<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">(5/6) * (5/6)</gadget>
<output>25/36 = around 0.694444</output>

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

<gadget id="calculator">(5/6) - (25/36) - (1/12)</gadget>
<output>1/18 = around 0.055556</output>

<result>1/18 = around 0.055556</result>