In this question, some equations are solved on the basis of a certain system. On the same basis find out the correct answer from amongst the four alternatives for the unsolved equation._x005F_x000D_ 6 x 2 x 9 = 269_x005F_x000D_ 8 x 7 x 1 = 781_x005F_x000D_ 4 x 1 x 3 = ?

• A. 431
• B. 413
• C. 341
• D. 143