How many consecutive subtractions of 0.6 are made from 9.6, and the result is exactly 6.
从9.6中连续减去多少个0.6，结果正好等于6．
<gadget id="calculator">9.6 - 6</gadget>
<output>3.6</output>

<gadget id="calculator">3.6 / 0.6</gadget>
<output>6</output>

<result>6</result>