1. Calculate the sum of 371 and 423. $$371 + 423 = 794$$ 2. Calculate the sum of 343, 514, and 122. $$343 + 514 = 857$$ $$857 + 122 = 979$$ 3. Calculate the sum of 1076 and 2140. $$1076 + 2140 = 3216$$ 4. Calculate the sum of 7146 and 326. $$7146 + 326 = 7472$$ 5. Calculate the sum of 56, 243, 12186, and 9. $$56 + 243 = 299$$ $$299 + 12186 = 12485$$ $$12485 + 9 = 12494$$ 6. Calculate the sum of 4185, 7265, 6192, and 13876. $$4185 + 7265 = 11450$$ $$11450 + 6192 = 17642$$ $$17642 + 13876 = 31518$$ 7. Calculate the sum of 5865, 3270, 18652, and 36. $$5865 + 3270 = 9135$$ $$9135 + 18652 = 27787$$ $$27787 + 36 = 27823$$ 8. Calculate the sum of 18375, 3614, 7, and 3895. $$18375 + 3614 = 21989$$ $$21989 + 7 = 21996$$ $$21996 + 3895 = 25891$$ Final answers: 1) 794 2) 979 3) 3216 4) 7472 5) 12494 6) 31518 7) 27823 8) 25891