Question 1108058
{{{(AREA_of_TOTAL)-(AREA_of_GARDEN)}}}


{{{(6+2*2)(10+2*2)-(6)(10)}}}

{{{140=60}}}

{{{80}}}


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Also, from the same starting expression,
{{{(6+2*2)(10+2*2)-(6)(10)}}}

{{{(6+4)(10+4)-(6)(10)}}}
{{{(6)(10)+40+24+16-(6)(10)}}}
{{{40+24+16}}}
{{{40+40}}}
{{{80}}}