No problem, we've got 47078591 and 77449634 to multiply
47078591 × 77449634 = 77449634 × (47078591)
+ 77449634 × 1 what gives us 77449634
+ 77449634 × 90 producing 6970467060
+ 77449634 × 500 which equals 38724817000
+ 77449634 × 8000 that is equal 619597072000
+ 77449634 × 70000 producing 5421474380000
+ 77449634 × 000000 what gives us 0
+ 77449634 × 7000000 which equals 542147438000000
+ 77449634 × 40000000 producing 3097985360000000

= 3646219642185694
