The sum of the numbers is:

$15 + 33 + 4.3 + 14 + 19 + 71 + 157 + 20 + 21 + 272 + 600 + 9 + 30 + 22 + 61 + 134 + 75 + 165 + 23 + 24 + 2.5 + 1 + 1 + 0.035 + 25 = 1804.835$

Would you like a more detailed breakdown, or do you have any questions?

Here are five related questions:

1. What is the average of the numbers?
2. How do you calculate the sum of a list of numbers with both integers and decimals?
3. How would this sum change if one number were removed?
4. How can you round the result to the nearest whole number?
5. What would the sum be if all numbers were doubled?

Tip: When summing many numbers, grouping them into smaller parts can reduce errors.