To find the area of the shaded portion, we need to subtract the area of the outer region from the area of the shaded region.

The area of the shaded region can be calculated by multiplying the breadth and length of the shaded region:

Area of shaded region = 4m * (1.5m + 1.5m) = 4m * 3m = 12m²

The area of the outer region can be calculated by multiplying the breadth and length of the outer region:

Area of outer region = 12m * 18m = 216m²

To find the area of the shaded portion, we subtract the area of the outer region from the area of the shaded region:

Area of shaded portion = Area of shaded region - Area of outer region = 12m² - 216m² = -204m²

However, the answer given is 96m², which is not possible since the area cannot be negative. Therefore, there may be an error in the given information or the calculation.

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