// 「hoge」フォルダを作成
let folder  = DriveApp.createFolder('hoge');
 
// 「hoge」の中に「hogehoge」「fugafuga」「piyopiyo」フォルダを作成
let args1 = ['hogehoge','fugafuga','piyopiyo'];
let folder1 = [];
 
for (let i=0; i<args1.length; i++){
  folder1[i] = folder.createFolder(args1[i]);
}
 
//「hogehoge」の中に「hogehogehoge」「fugafugafuga」「piyopiyopiyo」フォルダを作成
let args2 = ['hogehgoehoge','fugafugafuga','piyopiyopiyo'];
 
for (let i=0; i<args2.length; i++){
  folder1[0].createFolder(args2[i]);
}