Alright, let's work through 13679705 times 97520137 step by step
13679705 × 97520137 = 97520137 × (13679705)
+ 97520137 × 5 giving us 487600685
+ 97520137 × 00 that is equal 0
+ 97520137 × 700 that is equal 68264095900
+ 97520137 × 9000 that is equal 877681233000
+ 97520137 × 70000 that results in 6826409590000
+ 97520137 × 600000 which equals 58512082200000
+ 97520137 × 3000000 what gives us 292560411000000
+ 97520137 × 10000000 resulting in 975201370000000

= 1334046705719585
