Thank you for answer.
but there is are complications are here.
The code of page editor only capable for html and it does not take php code. So we can not make this page fully editable from the page editor.
Can you advice me which type of changes admin will/can do on this page ?
Query : Do you want to display all Numbers or the Number selector drop-down like display in task screen shot(https://webmaklay.com/wp-content/uploads/2022/08/Table.jpg)?