No problem, we've got 77998340 and 48745380 to multiply
77998340 × 48745380 = 48745380 × (77998340)
+ 48745380 × 0 that is equal 0
+ 48745380 × 40 resulting in 1949815200
+ 48745380 × 300 what gives us 14623614000
+ 48745380 × 8000 which equals 389963040000
+ 48745380 × 90000 that results in 4387084200000
+ 48745380 × 900000 which equals 43870842000000
+ 48745380 × 7000000 resulting in 341217660000000
+ 48745380 × 70000000 yielding 3412176600000000

= 3802058722669200
