The dividend is 123, the quotient is 15, and the remainder is 3. What is the divisor?
被除数是123，商是15，余数是3，除数是多少？
<gadget id="calculator">123 - 3</gadget>
<output>120</output>

<gadget id="calculator">120 / 15</gadget>
<output>8</output>

<result>8</result>