No problem, we've got 80796675 and 51726930 to multiply
80796675 × 51726930 = 51726930 × (80796675)
+ 51726930 × 5 that results in 258634650
+ 51726930 × 70 that is equal 3620885100
+ 51726930 × 600 that equals 31036158000
+ 51726930 × 6000 that equals 310361580000
+ 51726930 × 90000 that results in 4655423700000
+ 51726930 × 700000 what gives us 36208851000000
+ 51726930 × 0000000 producing 0
+ 51726930 × 80000000 that equals 4138154400000000

= 4179363951957750
