This kind of ability is called rapid elasticity. The resources can be maximized by a consumer to provide wider webs and applications.It can also make the server stop, just to reduce the cost in the process. The flexibility in adapting to needs of a company is an advantage. Rapid elasticity can be done in a public cloud.
12g + 9g simplified is 21g
Two approaches are:
Echo $$
Ps
For plato I think technical writer is the answer.
Technical writer: As a technical writer, you’ll create user manuals and support guides for a number of computer products and services. You may also develop content to market technical products online.