No problem, we've got 20973217 and 54916736 to multiply
20973217 × 54916736 = 54916736 × (20973217)
+ 54916736 × 7 what gives us 384417152
+ 54916736 × 10 that is equal 549167360
+ 54916736 × 200 that equals 10983347200
+ 54916736 × 3000 resulting in 164750208000
+ 54916736 × 70000 that results in 3844171520000
+ 54916736 × 900000 giving us 49425062400000
+ 54916736 × 0000000 which equals 0
+ 54916736 × 20000000 that equals 1098334720000000

= 1151780621059712
