Today is July 6, 2004, which can be recorded as 20040706. The sum of the digits in it is 19. According to this notation, how many days are the sum of the digits of all dates this year equal to 19?
今天是2004年7月6日，可以记作20040706，它的各个数位上的数字之和是19，按这种记法，今年所有日期的数字之和是19的共有多少天．
<gadget id="calculator">2 + 0 + 1 + 2</gadget>
<output>5</output>

<gadget id="calculator">19 - 5</gadget>
<output>14</output>

<result>14</result>