The playground was originally 22 meters wide and 35 meters long. Now widen the playground, add 2 meters to the wide side, and the long side remains the same as before. How many square meters is the expanded area of the playground larger than the original area? (Limited to one-step calculation)
操场原宽22米，长35米．现在拓宽操场，把宽边加2米，长边还和原来一样．问操场拓宽后的面积比原来的面积大多少平方米？(限用一步计算)
<gadget id="calculator">35 * 2</gadget>
<output>70</output>

<result>70</result>