In a division formula, the quotient is 15, and the dividend is 294 more than the divisor. What is the divisor?
一个除法算式，商是15，且被除数比除数多294，除数是多少．
<gadget id="calculator">15 - 1</gadget>
<output>14</output>

<gadget id="calculator">294 / 14</gadget>
<output>21</output>

<result>21</result>