A square is paved with square bricks. If square bricks with an area of 50 square decimeters are used, 2,000 pieces are needed. If square bricks with an area of 100 square decimeters are used instead, how many square bricks are needed?
一个广场用方砖铺地，如果用面积是50平方分米的方砖，需要2000块，如果改用面积是100平方分米的方砖，需要多少块？
<gadget id="calculator">50 * 2_000</gadget>
<output>100_000</output>

<gadget id="calculator">100_000 / 100</gadget>
<output>1_000</output>

<result>1_000</result>