help me please I can't find the volume

Volume = l × b × h
[tex] = \frac{3}{5} \times \frac{4}{3} \times \frac{5}{4} [/tex]
[tex] = \frac{1}{5} \times \frac{4}{1} \times \frac{5}{4} [/tex]
[tex] = \frac{1}{5} \times 1 \times \frac{5}{1} [/tex]
[tex] = \frac{1}{5} \times \frac{5}{1} [/tex]
[tex] = 1[/tex]
Volume of the prism is 1 cm³.