Cake

function cake(input) {
    let cakeLength = Number(input[0]);
    let cakeWidth = Number(input[1]);

    let index = 2;
    let command = input[index];
    index++;

    let wholeCake = cakeLength * cakeWidth;
    let pieceOfCake = 1 * 1;
    let totalPieces = wholeCake / pieceOfCake;

    let totalTakenPieces = 0;
    while (command !== "STOP"){
        let takenPieces = Number(command);
        totalTakenPieces += takenPieces;


        if (totalTakenPieces >= totalPieces) {
            break;
        }
        command = input[index];
        index++;
    }
    let piecesLeft = totalPieces - totalTakenPieces;
    if (totalPieces > totalTakenPieces) {
        console.log(`${piecesLeft} pieces are left.`);
    } else {
        console.log(`No more cake left! You need ${totalTakenPieces - totalPieces} pieces more.`);
    }
}