3.546-283*3+819=3516
283*3=849
3546-849=2697
2697+819=3516
(10.000-2.800):900*267=2136
10000-2800=7200
7200:900=8
8*267=2136
3.546-283*3+819=3516
283*3=849
3546-849=2697
2697+819=3516
(10.000-2.800):900*267=2136
10000-2800=7200
7200:900=8
8*267=2136