30 divided by 99 and 9 of 8x (- 5 and 4 of 3) divided by 25 and 25 of 23 × (- 103

30 divided by 99 and 9 of 8x (- 5 and 4 of 3) divided by 25 and 25 of 23 × (- 103

30 divided by 99 and 9 / 8x (- 5 and 4 / 3) divided by 25 and 25 / 23 × (- 103.7) × 0
=[30 divided by 8x of 99 and 9 (- 3 of 5 and 4) divided by 23 of 25 and 25 × (- 103.7)] × 0
=0