Let's break it down step by step:

1. 30/5 = 6

2. 5(5×6) = 5(30) = 150

3. Adding the results: 6 + 150 + 19 + 4 = 175 + 19 + 4 = 194

Therefore, the answer to the operation 30/5 + 5(5×6) + 19 + 4 is 194.