1478 → "one4seveneight"
234567 → "23four5six7"
10203 → "1zerotwozero3"
숫자 - 영단어
0 - zero
1 - one
2 - two
3 - three
4 - four
5 - five
6 - six
7 - seven
8 - eight
9 - nine
function solution(s) {
const arr = ['zero', 'one', 'two', 'three', 'four', 'five', 'six', 'seven', 'eight', 'nine']
arr.forEach((e,i) => {
s = s.split(e).join(i)
})
return Number(s)
}