800 + 800 + 800 + 800 + 800 = 4,000
x=156
500 plus 800 equals 1,300.
50 plus what = 850
200000 + 60000 + 2000 + 800 + 1 = 262801
600 + 500 + 800 + 900 + 9234 = 12034
100 + 700 = 800
800 = 408 = 1208
800 + 2 = 802
900 + 800 = 1700
800 + 10 = 810
300 + 800 = 1100