No problem, we've got 99527728 and 80135447 to multiply
99527728 × 80135447 = 80135447 × (99527728)
+ 80135447 × 8 what gives us 641083576
+ 80135447 × 20 producing 1602708940
+ 80135447 × 700 giving us 56094812900
+ 80135447 × 7000 that equals 560948129000
+ 80135447 × 20000 which equals 1602708940000
+ 80135447 × 500000 that is equal 40067723500000
+ 80135447 × 9000000 that results in 721219023000000
+ 80135447 × 90000000 what gives us 7212190230000000

= 7975698972174416
