Одно дело переставить стулья вокруг стола и совсем другое сменить сам стол или тех, кто за ним сидит.

Translate this to English?

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
It is one thing to rearrange the chairs around the table, and quite another to change the table itself or those who have a seat at it.