Alright, let's work through 42760309 times 51155320 step by step
42760309 × 51155320 = 51155320 × (42760309)
+ 51155320 × 9 which equals 460397880
+ 51155320 × 00 that results in 0
+ 51155320 × 300 that is equal 15346596000
+ 51155320 × 0000 resulting in 0
+ 51155320 × 60000 yielding 3069319200000
+ 51155320 × 700000 that is equal 35808724000000
+ 51155320 × 2000000 that is equal 102310640000000
+ 51155320 × 40000000 that results in 2046212800000000

= 2187417290193880
