There are 63 skipping ropes in Guoguang School. All the skipping ropes were lent out in the morning (2/9), and the rest were lent out in the afternoon (3/7). How many skipping ropes were lent out in total on this day?
国光学校有63根跳绳，上午借出了所有跳绳的(2/9)，下午借出了剩下的(3/7)，这天一共借出了几根跳绳？
<gadget id="calculator">2 / 9</gadget>
<output>2/9 = around 0.222222</output>

<gadget id="calculator">63 * (2/9)</gadget>
<output>14</output>

<gadget id="calculator">1 - (2/9)</gadget>
<output>7/9 = around 0.777778</output>

<gadget id="calculator">3 / 7</gadget>
<output>3/7 = around 0.428571</output>

<gadget id="calculator">63 * (7/9) * (3/7)</gadget>
<output>21</output>

<gadget id="calculator">14 + 21</gadget>
<output>35</output>

<result>35</result>