The playground of Renmin Road Primary School is 90 meters long and 45 meters wide. After the expansion, the length is increased by 10 meters and the width is increased by 5 meters. How many square meters has the playground area increased from the original?
人民路小学操场长90米宽45米，扩建后长增加10米，宽增加5米，操场的面积比原来增加了多少平方米？
<gadget id="calculator">90 + 10</gadget>
<output>100</output>

<gadget id="calculator">45 + 5</gadget>
<output>50</output>

<gadget id="calculator">100 * 50</gadget>
<output>5_000</output>

<gadget id="calculator">90 * 45</gadget>
<output>4_050</output>

<gadget id="calculator">5_000 - 4_050</gadget>
<output>950</output>

<result>950</result>