We're going to solve 78013902 multiplied by 78816316
78013902 × 78816316 = 78816316 × (78013902)
+ 78816316 × 2 that is equal 157632632
+ 78816316 × 00 that is equal 0
+ 78816316 × 900 resulting in 70934684400
+ 78816316 × 3000 that equals 236448948000
+ 78816316 × 10000 that is equal 788163160000
+ 78816316 × 000000 that is equal 0
+ 78816316 × 8000000 that results in 630530528000000
+ 78816316 × 70000000 giving us 5517142120000000

= 6148768352425032
