No problem, we've got 78966878 and 19687782 to multiply
78966878 × 19687782 = 19687782 × (78966878)
+ 19687782 × 8 what gives us 157502256
+ 19687782 × 70 that is equal 1378144740
+ 19687782 × 800 that equals 15750225600
+ 19687782 × 6000 giving us 118126692000
+ 19687782 × 60000 what gives us 1181266920000
+ 19687782 × 900000 what gives us 17719003800000
+ 19687782 × 8000000 that is equal 157502256000000
+ 19687782 × 70000000 that equals 1378144740000000

= 1554682679284596
