We're going to solve 97172525 multiplied by 79639259
97172525 × 79639259 = 79639259 × (97172525)
+ 79639259 × 5 what gives us 398196295
+ 79639259 × 20 yielding 1592785180
+ 79639259 × 500 that is equal 39819629500
+ 79639259 × 2000 giving us 159278518000
+ 79639259 × 70000 producing 5574748130000
+ 79639259 × 100000 that is equal 7963925900000
+ 79639259 × 7000000 that is equal 557474813000000
+ 79639259 × 90000000 giving us 7167533310000000

= 7738747886158975
