help me please im in a rush i need help

[tex] \qquad \qquad \bf \huge\star \: \: \large{ \underline{Answer} } \huge \: \: \star[/tex]
Area of shaded region = 34 cm²
[tex]\textsf{ \underline{\underline{Steps to solve the problem} }:}[/tex]
Area of shaded region = Area of bigger rectangle - Area of smaller rectangle.
Area (big) :
[tex] \qquad❖ \: \sf \:13 \times 6[/tex]
[tex] \qquad❖ \: \sf \:78 \: \:c m {}^{2} [/tex]
Area (small) :
[tex] \qquad❖ \: \sf \:11 \times 4[/tex]
[tex] \qquad❖ \: \sf \:44 \: \: cm {}^{2} [/tex]
Area of shaded region :
[tex] \qquad❖ \: \sf \:78 - 44[/tex]
[tex] \qquad❖ \: \sf \:34 \: \: cm {}^{2} [/tex]
[tex] \qquad \large \sf {Conclusion} : [/tex]
Area of shaded region = 34 cm²