No problem, we've got 42815716 and 12891727 to multiply
42815716 × 12891727 = 12891727 × (42815716)
+ 12891727 × 6 that equals 77350362
+ 12891727 × 10 giving us 128917270
+ 12891727 × 700 that equals 9024208900
+ 12891727 × 5000 that equals 64458635000
+ 12891727 × 10000 which equals 128917270000
+ 12891727 × 800000 resulting in 10313381600000
+ 12891727 × 2000000 resulting in 25783454000000
+ 12891727 × 40000000 that equals 515669080000000

= 551968521981532
