No problem, we've got 64341713 and 67027923 to multiply
64341713 × 67027923 = 67027923 × (64341713)
+ 67027923 × 3 what gives us 201083769
+ 67027923 × 10 that is equal 670279230
+ 67027923 × 700 which equals 46919546100
+ 67027923 × 1000 that equals 67027923000
+ 67027923 × 40000 that equals 2681116920000
+ 67027923 × 300000 giving us 20108376900000
+ 67027923 × 4000000 producing 268111692000000
+ 67027923 × 60000000 which equals 4021675380000000

= 4312691384652099
