There are 63 works of traditional Chinese painting in the exhibition room, and there are more sketch works than traditional Chinese paintings (1/9). How many more sketch works than traditional Chinese paintings?
展室里有63幅国画作品，素描作品比国画作品多(1/9)，素描作品比国画作品多多少幅？
<gadget id="calculator">1 / 9</gadget>
<output>1/9 = around 0.111111</output>

<gadget id="calculator">63 * (1/9)</gadget>
<output>7</output>

<result>7</result>