No problem, we've got 54368981 and 27980880 to multiply
54368981 × 27980880 = 27980880 × (54368981)
+ 27980880 × 1 which equals 27980880
+ 27980880 × 80 what gives us 2238470400
+ 27980880 × 900 giving us 25182792000
+ 27980880 × 8000 that results in 223847040000
+ 27980880 × 60000 yielding 1678852800000
+ 27980880 × 300000 which equals 8394264000000
+ 27980880 × 4000000 that results in 111923520000000
+ 27980880 × 50000000 giving us 1399044000000000

= 1521291933083280
