To find out how much Jamal will earn in 7 years at his current salary, you can use the following equation:
\[ \text{Total Earnings} = \text{Annual Salary} \times \text{Number of Years} \]
In Jamal's case, the equation will be:
\[ \text{Total Earnings} = 125,000 \times 7 \]
This equation will help him calculate his total earnings over 7 years.