The healthcare provider prescribes one liter of 1/4 strength saline in 5% dextrose solution (D5 1/4 NS) to infuse at a keep-open rate over 24 hours. The IV administration set delivers 15 gtt/mL. The nurse should regulate the infusion pump to deliver how many mL/hr? (Enter numeric value only. If rounding is required, round to the nearest whole number.)