No problem, we've got 27427919 and 23862268 to multiply
27427919 × 23862268 = 23862268 × (27427919)
+ 23862268 × 9 giving us 214760412
+ 23862268 × 10 which equals 238622680
+ 23862268 × 900 yielding 21476041200
+ 23862268 × 7000 that is equal 167035876000
+ 23862268 × 20000 producing 477245360000
+ 23862268 × 400000 yielding 9544907200000
+ 23862268 × 7000000 what gives us 167035876000000
+ 23862268 × 20000000 what gives us 477245360000000

= 654492353860292
