If a parametric surface given by r1(u, v)=f(u, v)i+g(u, v)j+h(u, v)k and −2≤u≤2,−3≤v≤3, has surface area equal to 4, what is the surface area of the parametric surface given by r2(u, v)=4r1(u, v) with −2≤u≤2,−3≤v≤3?