Quiz declined

Question

What should i do to make this good? Idk why it got downvoted...
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What is the output of this code?
const {PI,floor} = Math,
foo = PI,
bar = (goo) => {
return floor(goo || foo);
};
console.log(bar() + [0,1,2].reduce(
(solo,learn) => solo + bar(learn * foo)
));