1+1=22+88+33+88+12+48+21345

Step 1: Add the numbers.
$1 + 1 = 2$
$2 + 88 = 90$
$90 + 33 = 123$
$123 + 88 = 211$
$211 + 12 = 223$
$223 + 48 = 271$
$271 + 21345 = 21616$

$$21616$$