(9/10)/how much=((())/(()))*9=a*((())/(()))(a≠0)=1.
(9/10)/多少=((())/(()))*9=a*((())/(()))(a≠0)=1．
<gadget id="calculator">9 / 10</gadget>
<output>9/10 = around 0.9</output>

<result>9/10 = around 0.9</result>