No problem, we've got 13853243 and 48854136 to multiply
13853243 × 48854136 = 48854136 × (13853243)
+ 48854136 × 3 that equals 146562408
+ 48854136 × 40 what gives us 1954165440
+ 48854136 × 200 which equals 9770827200
+ 48854136 × 3000 giving us 146562408000
+ 48854136 × 50000 which equals 2442706800000
+ 48854136 × 800000 giving us 39083308800000
+ 48854136 × 3000000 that is equal 146562408000000
+ 48854136 × 10000000 producing 488541360000000

= 676788217563048
