Alright, let's work through 87200384 times 60713264 step by step
87200384 × 60713264 = 60713264 × (87200384)
+ 60713264 × 4 giving us 242853056
+ 60713264 × 80 giving us 4857061120
+ 60713264 × 300 that equals 18213979200
+ 60713264 × 0000 producing 0
+ 60713264 × 00000 that is equal 0
+ 60713264 × 200000 that is equal 12142652800000
+ 60713264 × 7000000 that results in 424992848000000
+ 60713264 × 80000000 which equals 4857061120000000

= 5294219934693376
