Round the Answer to the Nearest Whole Number

Short Answer

Round the answer to the nearest whole number.
A physician writes orders to increase a magnesium sulfate drip to 2 g/h for a patient in labor. The medication has a concentration of 40 g magnesium sulfate in 500 mL of lactated Ringer's solution. The IV pump should be programmed for how many milliliters per hour? ____________