What is the number made up of 9 tenths?
9个十分之一组成的数是多少．
<gadget id="calculator">10 / 1</gadget>
<output>10</output>

<gadget id="calculator">9 / 10</gadget>
<output>9/10 = around 0.9</output>

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