Create a webpage using HTML with a JavaScript block in the<head> section another in the <body> of the document.In the <head>, create four JavaScriptfunctions.
1. to add the number
2. to subtract the numbers
3. Divide the numbers
4. Multiply the first two and divide the total by the third
In the <body> block, get 3 numbers from the user andassign them to variables. Using the document.write statement:
1. Send the three values to the add function to add themtogether. Return the answer.
2. Send the three values to the subtract function to subtractthem. Return the answer
3. Send the three values to the multiply function to multiplythem.
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