Buyplse javascript

CodeChef-DSA-learners
1

This is a basic buyplse question but I’m not sure why I’m getting the time limit exceeded for this solution.

process.stdin.resume();
process.stdin.setEncoding('utf8');
let data = '';
let dataArr = [];
process.stdin.on('data', (chunk) => {
    data = chunk;
    dataArr = data.split(' ');
  
})

process.stdin.on('end', function(){
    console.log((dataArr[0]*dataArr[2]) + (dataArr[1]*dataArr[3]))
});

Please let me know what am I doing wrong here?