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# Wordy Parse and evaluate simple math word problems returning the answer as an integer. ## Iteration 1 — Addition Add two numbers together. > What is 5 plus 13? Evaluates to 18. Handle large numbers and negative numbers. ## Iteration 2 — Subtraction, Multiplication and Division Now, perform the other three operations. > What is 7 minus 5? 2 > What is 6 multiplied by 4? 24 > What is 25 divided by 5? 5 ## Iteration 3 — Multiple Operations Handle a set of operations, in sequence. Since these are verbal word problems, evaluate the expression from left-to-right, _ignoring the typical order of operations._ > What is 5 plus 13 plus 6? 24 > What is 3 plus 2 multiplied by 3? 15 (i.e. not 9) ## Bonus — Exponentials If you'd like, handle exponentials. > What is 2 raised to the 5th power? 32 ## Hints - To parse the text, you could try to use the [FParsec](http://www.quanttec.com/fparsec/tutorial.html) library. - As an exercise, you could try to represent a question as an [Abstract Syntax Tree](https://en.wikipedia.org/wiki/Abstract_syntax_tree). ## Source Inspired by one of the generated questions in the Extreme Startup game. [https://github.com/rchatley/extreme_startup](https://github.com/rchatley/extreme_startup) ## Submitting Incomplete Solutions It's possible to submit an incomplete solution so you can see how others have completed the exercise.
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183 entries across 183 versions & 1 rubygems