## 134. Math Puzzle $7 / 76$

For the fencing of a square schoolyard, which is being erected by the pioneers and FDJ members of a school, 992,- Marks were paid to the State Forestry Enterprise.

One meter of the fence costs 4,- Marks. How many hectares is the area of the schoolyard?
$992: 4=248 \mathrm{~m}$ fence, $248: 4=62 \mathrm{~m}$ side length; $62 \cdot 62=3844 \mathrm{~m}^{2}$ or 0.3844 ha.