1008*1006
2.8*16.5/0.7/0.11
11.8*43-860-0.09
1/(2/3)/(3/4)/(4/5)/(5/6)/(6/7)/(7/8)
123456789*987654321-123456788*987654322
1008*1006
2.8*16.5/0.7/0.11
11.8*43-860-0.09
1/(2/3)/(3/4)/(4/5)/(5/6)/(6/7)/(7/8)
123456789*987654321-123456788*987654322
1008*1006=1014048
2.8*16.5/0.7/0.11=2.20385674931129
123456789*987654321-123456788*987654322=864197536