Multiply the Radical Expressions $\sqrt { 3 } \cdot \sqrt { 24 }$

Multiple Choice

Multiply the radical expressions. $\sqrt { 3 } \cdot \sqrt { 24 }$

A) $6 \sqrt { 2 }$
B) $3 \sqrt { 3 }$
C) $36 \sqrt { 2 }$
D) $2 \sqrt { 6 }$