If a clock gains 1.5 seconds1.5 \text{ seconds}1.5 seconds every 12 hours12 \text{ hours}12 hours, how many minutes does it gain in 30 days30 \text{ days}30 days?
3 minutes3 \text{ minutes}3 minutes
0.05 minutes0.05 \text{ minutes}0.05 minutes
1.5 minutes1.5 \text{ minutes}1.5 minutes
6 minutes6 \text{ minutes}6 minutes