negative x negative
-18 x -3
54
-15 x 15
-225
-15 รท -700000
0.000021429
-21 x -21
441
-40 x 17
-680
-16/-4
4
-111111 x -222222
2.469130864
-63 x 47
-2961
-10/-5
2
-999 x -99999
99899001
-9999999999 x 9999999999
-9.999999998
-24/-8
3
-987654321 x -123456789
1.219326311
-1398491643 x 1398491643
1.955778876
-996/-17/9
6.509803922