Alright, let's work through 60509748 times 70013696 step by step
60509748 × 70013696 = 70013696 × (60509748)
+ 70013696 × 8 resulting in 560109568
+ 70013696 × 40 which equals 2800547840
+ 70013696 × 700 that equals 49009587200
+ 70013696 × 9000 which equals 630123264000
+ 70013696 × 00000 which equals 0
+ 70013696 × 500000 yielding 35006848000000
+ 70013696 × 0000000 yielding 0
+ 70013696 × 60000000 that is equal 4200821760000000

= 4236511101508608
