Evaluate Arithmetic Expressions

Evaluate the result of an arithmetic expression given as a string.

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Statement

Given an arithmetic expression as a string, evaluate its result. For simplicity, let’s assume that there are no parentheses in the expression and only the following binary operations are allowed: (+  \space -  \space *  \space /).

Examples

Here are a few examples of expressions and their results:

2+3=52+3=5

6+4/2∗2=106+4/2*2=10

3+2.45/8=3.306253+2.45/8=3.30625

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