No problem, we've got 99937952 and 52347221 to multiply
99937952 × 52347221 = 52347221 × (99937952)
+ 52347221 × 2 that results in 104694442
+ 52347221 × 50 giving us 2617361050
+ 52347221 × 900 giving us 47112498900
+ 52347221 × 7000 resulting in 366430547000
+ 52347221 × 30000 that is equal 1570416630000
+ 52347221 × 900000 that equals 47112498900000
+ 52347221 × 9000000 that equals 471124989000000
+ 52347221 × 90000000 what gives us 4711249890000000

= 5231474059631392
