A playground was originally 125 meters long and 80 meters wide. After the expansion, the playground length increased by 75 meters and its width increased by 20 meters. How many hectares has the playground area increased now?
一个操场原长125米，宽80米，扩建后，操场长增加了75米，宽增加了20米．现在操场面积比原来增加多少公顷？
<gadget id="calculator">125 + 75</gadget>
<output>200</output>

<gadget id="calculator">80 + 20</gadget>
<output>100</output>

<gadget id="calculator">200 * 100</gadget>
<output>20_000</output>

<gadget id="calculator">125 * 80</gadget>
<output>10_000</output>

<gadget id="calculator">20_000 - 10_000</gadget>
<output>10_000</output>

<gadget id="calculator">10_000 / 10_000</gadget>
<output>1</output>

<result>1</result>