Solution: Smart Grid Energy Distributor

void main() {
  int totalKilowatts = 1250;
  int batteryCapacity = 100;
  int reserveThreshold = 10;
  int fullBatteries = totalKilowatts ~/ batteryCapacity;
  int remainingKilowatts = totalKilowatts % batteryCapacity;
  bool isStableSurplus = remainingKilowatts == 0 && fullBatteries > reserveThreshold;
  print("Full batteries: $fullBatteries");
  print("Remaining kilowatts: $remainingKilowatts");
  print("Stable surplus active: $isStableSurplus");
}