No problem, we've got 31706385 and 8079893 to multiply
31706385 × 8079893 = 8079893 × (31706385)
+ 8079893 × 5 that results in 40399465
+ 8079893 × 80 giving us 646391440
+ 8079893 × 300 giving us 2423967900
+ 8079893 × 6000 what gives us 48479358000
+ 8079893 × 00000 that results in 0
+ 8079893 × 700000 what gives us 5655925100000
+ 8079893 × 1000000 giving us 8079893000000
+ 8079893 × 30000000 that results in 242396790000000

= 256184198216805
