Creating an online calculator

Javascript and Typescript
Job 7 of 7
FireShot Capture 12 - Вопрос - ответ - ЛАПАТА™- _ - https___la-pa-ta.blogspot.com_p_blog-page_6.html.png
Create an online calculator to calculate the cost and time of mining of a circular and prmoangular hole or transhole taking into account the change in value depending on depth