void main() {
    int width = 7;
    int height = 4;
    IO.println(String.format("A %d by %d rectangle has area %d.",
            width, height, width * height));
}

// From Groundwork, chapter 3 (ch03-expressions-and-operators), box 9.
// This example is from Groundwork, licensed CC BY-NC-SA 4.0.
// Run with: java ch03_09.java
