Super hard 2
9999-5678
4321
15667+9999
25666
124x123
15252
98765432+2345678
101111110
34567x123
4251741
125x67
8375
98765+12345
111110
1222/2
611
99999999-88887
99921111
13579x246
3340434
67/5
13.4
15667-9999
5668
5555/6
925.8
12345x678
8369910
R=18 sphere volume
24416.64
9876+5678
15554
98765-12345
86420
84
4096
98765432/2
49382716
R=25 circle area
1962.5
9876-5678
4198
1234x55
67870
45.53
94196.375
555.82
308913.64
D=60 H=25 cone
23550