A force $\overrightarrow{\mathrm{F}}=(6\widehat{\mathrm{i}}+4\widehat{\mathrm{j}})$  N acts on a body and produces a displacement  $\overrightarrow{\mathrm{S}}=(6\widehat{\mathrm{i}}-5\widehat{\mathrm{j}}+3\widehat{\mathrm{k}}) \mathrm{m}$. The work done will be (in J)