No problem, we've got 97020854 and 48310827 to multiply
97020854 × 48310827 = 48310827 × (97020854)
+ 48310827 × 4 yielding 193243308
+ 48310827 × 50 giving us 2415541350
+ 48310827 × 800 resulting in 38648661600
+ 48310827 × 0000 producing 0
+ 48310827 × 20000 yielding 966216540000
+ 48310827 × 000000 what gives us 0
+ 48310827 × 7000000 which equals 338175789000000
+ 48310827 × 90000000 yielding 4347974430000000

= 4687157692986258
