Alright, let's work through 87676850 times 76030036 step by step
87676850 × 76030036 = 76030036 × (87676850)
+ 76030036 × 0 resulting in 0
+ 76030036 × 50 resulting in 3801501800
+ 76030036 × 800 that equals 60824028800
+ 76030036 × 6000 that results in 456180216000
+ 76030036 × 70000 that equals 5322102520000
+ 76030036 × 600000 that results in 45618021600000
+ 76030036 × 7000000 that equals 532210252000000
+ 76030036 × 80000000 what gives us 6082402880000000

= 6666074061866600
