steenrod% g++ -o quarts-1 quarts-1.cc
steenrod% quarts-1
Enter volume in quarts: 4
4 quarts = 3.78533 liters
steenrod% quarts-1
Enter volume in quarts: 1
1 quarts = 0.946333 liters
steenrod% quarts-1
Enter volume in quarts: 3.5
3 quarts = 2.839 liters