To calculate 0.003 * 0.002 / 0.12, follow these steps:

1. Multiply 0.003 by 0.002:
• 0.003 * 0.002 = 0.000006
2. Divide the result by 0.12:
• 0.000006 / 0.12 = 0.00005

Therefore, 0.003 * 0.002 / 0.12 = 0.00005