Alright, let's work through 15703939 times 22079338 step by step
15703939 × 22079338 = 22079338 × (15703939)
+ 22079338 × 9 producing 198714042
+ 22079338 × 30 that equals 662380140
+ 22079338 × 900 giving us 19871404200
+ 22079338 × 3000 producing 66238014000
+ 22079338 × 00000 that equals 0
+ 22079338 × 700000 that is equal 15455536600000
+ 22079338 × 5000000 which equals 110396690000000
+ 22079338 × 10000000 giving us 220793380000000

= 346732577112382
