An engagement team consists of a project manager, team leader, and four consultants. There are 2 candidates for the position of project manager, 3 candidates for the position of team leader, and 9 candidates for the 4 consultant slots. If 2 out of 9 consultants refuse to be on the same team, how many different teams are possible?
Choose the correct choice from the following answers:  A) 540  B) 630  C) 740  D) 820  E) 980
Answer= Total number combinations - Total number of combinations with constraints   Total number of combinations = 2C1*3C1*9C4= 756   Total number of combinations with constraints = 2C1*3C1*7C2=126   Answer=756-126= 
<gadget id="calculator">756-126</gadget>
<output>630</output>
630   ANSWER: 630
<result>B</result>
An engagement team consists of a project manager, team leader, and four consultants. There are 2 candidates for the position of project manager, 3 candidates for the position of team leader, and 9 candidates for the 4 consultant slots. If 2 out of 9 consultants refuse to be on the same team, how many different teams are possible?