Steven has 4 apples x 6 seeds = 24 apple seeds.
He also has 3 pears x 2 seeds = 6 pear seeds.
And he has 9 grapes x 3 seeds = 27 grape seeds.
In total, he has 24 + 6 + 27 = 57 seeds.
To fulfill his assignment, he needs 60 - 57 = 3 more seeds.
#### 3
The answer is: 3
Below is a math problem. Provide a detailed, step-by-step solution.

### Problem:
Steven's teacher sends the class an assignment to collect 60 different fruit seeds. Apples average 6 seeds, pears average 2 seeds, and grapes average 3 seeds. Steven has set aside 4 apples, 3 pears, and 9 grapes to extract their seeds. How many more seeds does he need to fulfill his assignment?

### Answer:
