Alright, let's work through 90672580 times 5339853 step by step
90672580 × 5339853 = 5339853 × (90672580)
+ 5339853 × 0 what gives us 0
+ 5339853 × 80 giving us 427188240
+ 5339853 × 500 that is equal 2669926500
+ 5339853 × 2000 that results in 10679706000
+ 5339853 × 70000 what gives us 373789710000
+ 5339853 × 600000 that results in 3203911800000
+ 5339853 × 0000000 that is equal 0
+ 5339853 × 90000000 yielding 480586770000000

= 484178248330740
