#C5247. Rope Length Formatter

    ID: 48875 Type: Default 1000ms 256MiB

Rope Length Formatter

Rope Length Formatter

Given the dimensions of a parcel, calculate the rope length needed to surround it. The rope length is computed according to the formula $$L = 2 \times (l+w)$$, where l is the length and w is the width. Your result must be formatted to exactly 2 decimal places.

inputFormat

The input begins with an integer T indicating the number of test cases. Each of the following T lines contains two floating-point numbers representing the length (l) and width (w) of a parcel.

outputFormat

For each test case, output a single line containing the rope length formatted to 2 decimal places.

## sample
1
10.00 5.00
30.00

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