There are 72 kilograms of oranges in the fruit shop, which is less than bananas (1/9). How many kilograms are there in bananas?
水果店有桔了72千克，比香蕉少(1/9)，香蕉有多少千克？
<gadget id="calculator">1 / 9</gadget>
<output>1/9 = around 0.111111</output>

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

<gadget id="calculator">72 / (8/9)</gadget>
<output>81</output>

<result>81</result>