A tractor plows a piece of land, plows (1/9) of this piece of land every hour, works 8 hours a day, how much of this piece of land is plowed.
拖拉机耕一块地，每时耕这块地的(1/9)，一天工作8时，耕了这块地的多少．
<gadget id="calculator">1 / 9</gadget>
<output>1/9 = around 0.111111</output>

<gadget id="calculator">(1/9) * 8</gadget>
<output>8/9 = around 0.888889</output>

<result>8/9 = around 0.888889</result>