No problem, we've got 39709343 and 9539105 to multiply
39709343 × 9539105 = 9539105 × (39709343)
+ 9539105 × 3 what gives us 28617315
+ 9539105 × 40 what gives us 381564200
+ 9539105 × 300 that results in 2861731500
+ 9539105 × 9000 resulting in 85851945000
+ 9539105 × 00000 giving us 0
+ 9539105 × 700000 producing 6677373500000
+ 9539105 × 9000000 which equals 85851945000000
+ 9539105 × 30000000 giving us 286173150000000

= 378791592358015
