Alright, let's work through 97876348 times 6897023 step by step
97876348 × 6897023 = 6897023 × (97876348)
+ 6897023 × 8 giving us 55176184
+ 6897023 × 40 which equals 275880920
+ 6897023 × 300 that equals 2069106900
+ 6897023 × 6000 resulting in 41382138000
+ 6897023 × 70000 yielding 482791610000
+ 6897023 × 800000 yielding 5517618400000
+ 6897023 × 7000000 yielding 48279161000000
+ 6897023 × 90000000 that equals 620732070000000

= 675055423312004
