320*987-10000+873-948+78745*375694-2957 = 29584326838
1) 320*987 = 315840
2) 78745*375694 = 29584024030
3) 315840 - 10000 = 305840
4) 305840 + 873 = 306713
5) 306713 - 948 = 305765
6) 305765 + 29584024030 = 29584329795
7) 29584329795 - 2957 = 29584326838
320·987-10000+873-948+78745·375694-2957=315 840-10 000 +873-948+29584024030-2957=29584326838
