Complete the Unit Conversion $\frac { 432 \text { in. } { } ^ { 2 } } { 1 \text { year } } \cdot \frac { 1 \mathrm { ft } ^ { 2 } } { 144 \text { in. } ^ { 2 } } =$

Essay

Complete the unit conversion. $\frac { 432 \text { in. } { } ^ { 2 } } { 1 \text { year } } \cdot \frac { 1 \mathrm { ft } ^ { 2 } } { 144 \text { in. } ^ { 2 } } =$ _____ __________ ( ft , years , square ft , ft per year , or square ft per year )