Hi there! So my solution for the exercise was this: // Fix the code below to make the function return 12 function calculate() { a = 4; b = 3; return a * b; // Should return 12 } let a; ... but the solution branch suggests this: function calculate() { const a = 4; const b = 3; return a * b; // Should return 12 } ... I didn't quite understand what the exercise is asking us to do, nor why the solution is using const - would it be possible to get a bit more information on why the solution on the solution branch is the best? Thanks in advance!

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