No, not especially.
9876543210 - 123456789 = 9753086421
864197532
The answers is =0!
1234567890+9876543210=11,111,111,100
9876543210 - 9876543110 = 100
123456789 + 123456789 = 246913578
123456789
the answer is 15241578750190521
15,241,578,750,190,521
you get cheese
9876543210
9.63418329 × 1029
1,646,090,535