[tex]Dane:\\P = 60 \ W\\t = 3\cdot2 \ h = 6 \ h = 6\cdot3600 \ s = 21 \ 600 \ s\\Szukane:\\W = ?\\\\P = \frac{W}{t} \ \ \rightarrow \ W = P\cdot t\\\\W = 60 \ W\cdot21600 \ s\\\\\boxed{W = 1 \ 296 \ 000 \ J = 1 \ 296 \ kJ = 1,296 \ MJ}\\\\1 \ kJ = 1000 \ J\\1 \ MJ = 1 \ 000 \ 000 \ J[/tex]
