Alright, let's work through 61317975 times 10707124 step by step
61317975 × 10707124 = 10707124 × (61317975)
+ 10707124 × 5 that results in 53535620
+ 10707124 × 70 producing 749498680
+ 10707124 × 900 that equals 9636411600
+ 10707124 × 7000 what gives us 74949868000
+ 10707124 × 10000 resulting in 107071240000
+ 10707124 × 300000 which equals 3212137200000
+ 10707124 × 1000000 producing 10707124000000
+ 10707124 × 60000000 giving us 642427440000000

= 656539161753900
