No problem, we've got 99949764 and 99897576 to multiply
99949764 × 99897576 = 99897576 × (99949764)
+ 99897576 × 4 what gives us 399590304
+ 99897576 × 60 which equals 5993854560
+ 99897576 × 700 which equals 69928303200
+ 99897576 × 9000 yielding 899078184000
+ 99897576 × 40000 yielding 3995903040000
+ 99897576 × 900000 which equals 89907818400000
+ 99897576 × 9000000 yielding 899078184000000
+ 99897576 × 90000000 producing 8990781840000000

= 9984739145372064
