The table gives the power consumption P in megawatts in a county from midnight to 6:00 AM on a day in December. Use Simpson's Rule to estimate the energy used during that time period. (Use the fact that power is the derivative of energy. Round your answer to one decimal place.) megawatt-hours

t P t P
0:00 1818 3:30 1611
0:30 1733 4:00 1629
1:00 1682 4:30 1664
1:30 1642 5:00 1747
2:00 1631 5:30 1888
2:30 1603 6:00 2052
3:00 1602