No problem, we've got 28347341 and 8381139 to multiply
28347341 × 8381139 = 8381139 × (28347341)
+ 8381139 × 1 producing 8381139
+ 8381139 × 40 yielding 335245560
+ 8381139 × 300 producing 2514341700
+ 8381139 × 7000 resulting in 58667973000
+ 8381139 × 40000 resulting in 335245560000
+ 8381139 × 300000 yielding 2514341700000
+ 8381139 × 8000000 that is equal 67049112000000
+ 8381139 × 20000000 that results in 167622780000000

= 237583005201399
