The dividend is 56, the quotient is 9, and the remainder is 2. What is its divisor?
被除数是56，商是9，余数是2，它的除数是多少．
<gadget id="calculator">56 - 2</gadget>
<output>54</output>

<gadget id="calculator">54 / 9</gadget>
<output>6</output>

<result>6</result>