In order to alleviate traffic congestion, a city is widening roads. The road width of Tuanjie Road has been increased from 16 meters to 30 meters, by what percentage?
为了缓解交通拥挤的状况，某市正在进行道路拓宽．团结路的路宽由原来的16米增加到30米，拓宽了百分之几？
<gadget id="calculator">30 - 16</gadget>
<output>14</output>

<gadget id="calculator">14 / 16</gadget>
<output>7/8 = around 0.875</output>

<result>7/8 = around 0.875</result>