An ecology student estimates the number of plantain plants growing on a grassy lawn in a local park.
Figure 1 shows a plan of the park.

The student randomly places a quadrat of dimensions 50 cm×50 cm50\text{ cm} \times 50\text{ cm}50 cm×50 cm at 15 different positions on the grassy lawn.
The mean number of plantain plants recorded per quadrat is 4.34.34.3.
Calculate the total estimated number of plantain plants on the grassy lawn. Give your answer to 3 significant figures.