A moment ago, there were a total of 1366 spectators at a badminton match. 345 of the female spectators and 453 of the male spectators left the stadium. Now there are thrice as many female as male spectators left in the stadium. How many more female than male spectators are there in the stadium now?
Number of spectators left in the stadium
= 1366 - 345 - 453
= 568

Number of male spectators in the end = 1 u
Number of female spectators in the end = 3 u
Total number of spectators in the end = 1 u + 3 u = 4 u

4 u = 568
1 u = 568 ÷ 4 = 142

Number of male spectators
= 1 u 
= 142

Number of female spectators
= 3 u
= 3 x 142
= 426

Number of female spectators more than the male spectators
= 426 - 142
= 284

Answer(s): 284