Four fifths, nine and four fifths, ninety-nine and four fifths, ninety-nine and four fifths, and nine thousand nine

Four fifths, nine and four fifths, ninety-nine and four fifths, ninety-nine and four fifths, and nine thousand nine

（4/5）*5+9+99+999+9999=4+9+99+999+9999=（1+9）+（1+99）+（1+999）+（1+9999）
=11110

What is 9999 and one fifth + 999 and one fifth + 99 and one fifth + 9 and one fifth?

11106 and four fifths

9 1 / 5 + 99 2 / 15 + 999 1 / 5 + 9999 4 / 15 + 99999 1 / 5 + 5

9+1/5+99+1/5+999+1/5+9999+1/5+99999+1/5+5
=10-1/5+100-1/5+1000-1/5+1/10000-1/5+100000-1/5+5
=10+100+1000+10000+100000-5*1/5+5
=111110-1+5
=111114