text: function sides(_literals, ...expressions) {
    const perimeter = expressions[1];
  
    const s1 =
      (perimeter + Math.sqrt(perimeter * perimeter - 16 * expressions[0])) / 4;
    const s2 =
      (perimeter - Math.sqrt(perimeter * perimeter - 16 * expressions[0])) / 4;
  
    return [s1, s2].sort((a, b) => a - b);
  }
  
  const [s1, s2] = [1, 4];
  
  const [x, y] = sides`The area is: ${s1 * s2}.\nThe perimeter is: ${
    2 * (s1 + s2)
  }.`;
  
  console.log(x, y);
  