125*729*8=

To calculate \( 125 \times 729 \times 8 \):

1. First, calculate \( 125 \times 8 \): \[ 125 \times 8 = 1000 \]

2. Now, multiply the result by \( 729 \): \[ 1000 \times 729 = 729000 \]

Therefore, \( 125 \times 729 \times 8 = 729000 \).