A length of (9/10)m wood is sawed 9 times, what is the average length of each length in meters?
将一段长为(9/10)m的木料锯9次，平均每段长多少米？
<gadget id="calculator">9 / 10</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">9 + 1</gadget>
<output>10</output>

<gadget id="calculator">(9/10) / 10</gadget>
<output>9/100 = around 0.09</output>

<result>9/100 = around 0.09</result>