In 2004, the age of the father was four times the age of the older brother and younger brother; and in 2010, the age of the father was twice the age of the older brother and younger brother, so how many years was the father born?
2004年时，父亲的年龄是哥哥和弟弟年龄之和的4倍；而2010年时，父亲的年龄是哥哥和弟弟年龄之和的2倍，那么父亲出生在多少年．
<gadget id="calculator">12 - 3</gadget>
<output>9</output>

<gadget id="calculator">4 * 9</gadget>
<output>36</output>

<gadget id="calculator">2_004 - 36</gadget>
<output>1_968</output>

<result>1_968</result>