In a division expression, the quotient is 19 and the remainder is 12. When the divisor is the smallest, what is the dividend.
在一个除法算式里，商是19，余数是12．当除数最小时，被除数是多少．
<gadget id="calculator">19 * 13</gadget>
<output>247</output>

<gadget id="calculator">247 + 12</gadget>
<output>259</output>

<result>259</result>