Alright, let's work through 87642328 times 2474641 step by step
87642328 × 2474641 = 2474641 × (87642328)
+ 2474641 × 8 which equals 19797128
+ 2474641 × 20 which equals 49492820
+ 2474641 × 300 producing 742392300
+ 2474641 × 2000 producing 4949282000
+ 2474641 × 40000 producing 98985640000
+ 2474641 × 600000 that is equal 1484784600000
+ 2474641 × 7000000 that is equal 17322487000000
+ 2474641 × 80000000 producing 197971280000000

= 216883298204248
