<math> Nutzvolumen = 5.376 \frac{l}{Tag} \times 0,5 = 2.688\ l </math>
W o r k i n g v o l u m e = 5 , 376 L d a y × 0.5 = 2 , 688 L {\displaystyle Working\ volume=5,376{\frac {L}{day}}\times 0.5=2,688\ L}