There is a pasture that raises 30 cows. The number of cows is more than that of sheep (1/9). How many sheep are there? (answer in two ways)
有一个牧场，养了30头牛，牛的数量比羊多(1/9)，养羊多少只？(用两种方法解答)
<gadget id="calculator">1 / 9</gadget>
<output>1/9 = around 0.111111</output>

<gadget id="calculator">1 + (1/9)</gadget>
<output>10/9 = around 1.111111</output>

<gadget id="calculator">30 / (10/9)</gadget>
<output>27</output>

<result>27</result>