The phone number of Li Xiaohua's home is a seven-digit number. The number composed of the first four digits and the last three digits is added to get 7226, and the number composed of the first three digits and the last four digits is added to be 5039. ． What is the phone number of Li Xiaohua's home?
李小华家的电话号码是一个七位数，它的前四位组成的数与后三位组成的数相加得7226，它的前三位组成的数与后四位组成的数相加得5039．李小华家的电话号码是多少．
<result>6_874_352</result>