How many consecutive subtractions of 27 from 756, the result is still 27.
从756里连续减去多少个27，结果仍得27．
<gadget id="calculator">756 / 27</gadget>
<output>28</output>

<gadget id="calculator">28 - 1</gadget>
<output>27</output>

<result>27</result>