exports.handler = function(context, event, callback) {
  
  
    let x = Math.floor(Math.random() * (9 - 1) + 1);
    let y = Math.floor(Math.random() * (9 - 1) + 1);

    const operators = ['+', '*', '-', '/'];


    function randomOperator(operators) {
       return operators[Math.floor(Math.random() * operators.length)];
    }

    let o = randomOperator(operators);

    let z = eval(x + o + y);

    // console.log(x + " " + o + " " + y);
    // console.log("z = " + z);
    // console.log("o = " + o);

    let response = {o:o, x:x, y:y, z:z}
    
  callback(null, response);
};