No problem, we've got 26807605 and 12085009 to multiply
26807605 × 12085009 = 12085009 × (26807605)
+ 12085009 × 5 what gives us 60425045
+ 12085009 × 00 resulting in 0
+ 12085009 × 600 that equals 7251005400
+ 12085009 × 7000 that results in 84595063000
+ 12085009 × 00000 which equals 0
+ 12085009 × 800000 yielding 9668007200000
+ 12085009 × 6000000 producing 72510054000000
+ 12085009 × 20000000 producing 241700180000000

= 323970147693445
