The pie chart given below show, the number of employees in 6 different companies. The total number of employees in all these 6 companies 15840. The number of employees in a particular company is shown in terms of degree with respect to the total number of employees in all these 6 companies.

J1 = The total number of employees in P, Q, S, T and U.
J1 = The different between the total number of employees in P and Q and the total number of employees in T and U.

What is the value of (J1 + J2)