I hope this helps you
figure #1
smaller part
4x7x2= 56m
larger part
4x3x7= 84m
84+56= 140m³
figure #2
2x4x3= 24m
4x4x12= 192m
192+24= 216in³
Answer:
-4 + -6 -19
-10 -19
-29