When Xiaojing calculated 12.6 divided by a number, because the decimal point of the divisor was wrong by one digit to the right, the result was 8.4. What should be the correct divisor for this question.
小静在计算12.6除以一个数时，由于除数的小数点向右点错了一位，结果得8.4，这道题正确的除数应该是多少．
<gadget id="calculator">8.4 * 10</gadget>
<output>84</output>

<gadget id="calculator">12.6 / 84</gadget>
<output>0.15</output>

<result>0.15</result>