Divisor/divisor = 8...2, dividend + divisor + quotient + remainder = 192, what is the divisor.
被除数/除数=8…2，被除数+除数+商+余数=192，除数是多少．
<gadget id="calculator">192 - 2 - 8 - 2</gadget>
<output>180</output>

<gadget id="calculator">8 + 1</gadget>
<output>9</output>

<gadget id="calculator">180 / 9</gadget>
<output>20</output>

<result>20</result>