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?
With 4 apples, Steven will collect 4 apples * 6 seeds/apple = 
<gadget id="calculator">4*6</gadget>
<output>24</output>
24 seeds.
With 3 pears, Steven will collect 3 pears * 2 seeds/pear = 
<gadget id="calculator">3*2</gadget>
<output>6</output>
6 seeds.
With 9 grapes, Steven will collect 9 grapes * 3 seeds/grape = 
<gadget id="calculator">9*3</gadget>
<output>27</output>
27 seeds.
In total, Steven will collect 24 seeds + 6 seeds + 27 seeds = 
<gadget id="calculator">24+6+27</gadget>
<output>57</output>
57 seeds.
To collect 60 seeds he needs 60 seeds - 57 seeds = 
<gadget id="calculator">60-57</gadget>
<output>3</output>
3 more seeds.

<result>3</result>