There are 72 kilograms of oranges in the fruit shop. Oranges are 8 kilograms more than bananas (8/9). How many kilograms are there in bananas?
水果店有桔子72千克，桔子比香蕉的(8/9)多8千克，香蕉有多少千克？
<gadget id="calculator">72 - 8</gadget>
<output>64</output>

<gadget id="calculator">8 / 9</gadget>
<output>8/9 = around 0.888889</output>

<gadget id="calculator">64 / (8/9)</gadget>
<output>72</output>

<result>72</result>