According to the meaning of the question, the loan principal is 654.38 million yuan, that is, 100000 yuan.

6% interest, today's interest =0.06%.

According to the formula, daily interest = principal * daily interest rate.

Substituting the data in the question, we can get the formula:

Daily interest = 100000*0.06%=60 (yuan)

So it is 60 yuan a day to borrow 65438+6% interest.

Extended data:

I. Interest = interest product × daily interest rate

Two. Daily interest rate = daily interest deposit (loan) X 100%

Third, the daily interest rate =? Monthly interest rate ÷30

4. Daily interest rate =? The annual interest rate is 360.

Five, the written records of capital lending should be detailed:

The IOU or loan contract shall clearly state the following matters:

1. Names of both parties.

2. The total amount and currency of the loan. For example, "NT$ 120,000".

3. Term of the loan. For example, the loan term is several months from the loan date or from/year/month/day to/year/month/day.

4. Interest agreement. Clarify the interest rate and payment method. For example, "the annual interest rate is 10%" and "it will be paid on the 5th of each month from the date of borrowing".

5. Agreed liquidated damages. For example, "If the borrower breaches the contract, he shall pay a penalty of RMB 5 yuan per day for every ten thousand yuan overdue."

6. Date of establishment.

7. Personal signature of the borrower.