Super maths question/s

1) 68% of 239

2) 4/12 multiplied by 6/43

3) 9/67 X 1098

4) Bruno had a collection of 4928 stickers. His friend Julia had 6345 stickers. For Emily's birthday(one of their friends) they combined their stickers and gave her 1/8. How many stickers did Bruno and Julia have altogether?