Alright, let's work through 81494973 times 27836734 step by step
81494973 × 27836734 = 27836734 × (81494973)
+ 27836734 × 3 that is equal 83510202
+ 27836734 × 70 producing 1948571380
+ 27836734 × 900 that is equal 25053060600
+ 27836734 × 4000 resulting in 111346936000
+ 27836734 × 90000 that results in 2505306060000
+ 27836734 × 400000 that equals 11134693600000
+ 27836734 × 1000000 that results in 27836734000000
+ 27836734 × 80000000 that is equal 2226938720000000

= 2268553885738182
