//        Original expr --> 5 - 3 - 2
//   Parenthesized expr --> 5 - 3 - 2
// Inline prettyprinted --> (- (- 5 3) 2)
// The value of this expr = 0.0

//        Original expr --> 5 - ( 3 - 2 )
//   Parenthesized expr --> 5 - (3 - 2)
// Inline prettyprinted --> (- 5 (- 3 2))
// The value of this expr = 4.0

//        Original expr --> 4 / 2 / 2
//   Parenthesized expr --> 4 / 2 / 2
// Inline prettyprinted --> (/ (/ 4 2) 2)
// The value of this expr = 1.0

//        Original expr --> 4 / ( 2 / 2 )
//   Parenthesized expr --> 4 / (2 / 2)
// Inline prettyprinted --> (/ 4 (/ 2 2))
// The value of this expr = 4.0

//        Original expr --> 4 * ( ( 3 * 2 ) + 1 )
//   Parenthesized expr --> 4 * (3 * 2 + 1)
// Inline prettyprinted --> (* 4 (+ (* 3 2) 1))
// The value of this expr = 28.0

//        Original expr --> ( 2 * ( ( 3 + 4 ) + 5 ) ) * 6
//   Parenthesized expr --> 2 * (3 + 4 + 5) * 6
// Inline prettyprinted --> (* (* 2 (+ (+ 3 4) 5)) 6)
// The value of this expr = 144.0

//        Original expr --> ( ( 2 + 3 ) + 4 ) + ( 5 + ( 6 + 7 ) )
//   Parenthesized expr --> 2 + 3 + 4 + (5 + (6 + 7))
// Inline prettyprinted --> (+ (+ (+ 2 3) 4) (+ 5 (+ 6 7)))
// The value of this expr = 27.0

//        Original expr --> ( ( ( 2 ) / ( 1 ) ) * ( 2 ) )
//   Parenthesized expr --> 2 / 1 * 2
// Inline prettyprinted --> (* (/ 2 1) 2)
// The value of this expr = 4.0

//        Original expr --> ( 2 / ( 1 * ( 2 ) ) )
//   Parenthesized expr --> 2 / (1 * 2)
// Inline prettyprinted --> (/ 2 (* 1 2))
// The value of this expr = 1.0
