How can I use async/await at the top level?

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I have been going over async/await and after going over several articles, I decided to test things myself. However, I can’t seem to wrap my head around why this does not work:

async function main() {  
    var value = await Promise.resolve('Hey there');
    console.log('inside: ' + value);
    return value;
}

var text = main();  
console.log('outside: ' + text);

The console outputs the following (node v8.6.0) :

> outside: [object Promise]

> inside: Hey there

Why does the log message inside the function execute afterwards? I thought the reason async/await was created was in order to perform synchronous execution using asynchronous tasks.

Is there a way could I use the value returned inside the function without using a .then() after main()?

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