[8 / 15 minus (7 / 12 minus 2 / 5)] × 15 / 14 If it's good, there's a reward for wealth I also want

[8 / 15 minus (7 / 12 minus 2 / 5)] × 15 / 14 If it's good, there's a reward for wealth I also want

[8/15-(7/12-2/5)]*15/14
=8/15*15/14-7/12*15/14+2/5*15/14
=8/14-5/8+3/7
=4/7+3/7-5/8
=1-5/8
=3/8