The dividend is 612, the quotient is 6, and the remainder is 72. What is the divisor?
被除数是612，商是6，余数是72，除数是多少？
<gadget id="calculator">612 - 72</gadget>
<output>540</output>

<gadget id="calculator">540 / 6</gadget>
<output>90</output>

<result>90</result>