There is a ball in the box. A magician takes out a ball from the box for the first time, turns it into 3 balls and puts it back into the box; takes out 2 balls from the box for the second time, and turns each ball into 3 balls Then put it back into the box;...Take out 10 balls from the box for the 10th time, turn each ball into 3 balls and put them back into the box. At this time, how many balls are there in the box?
盒子里放有一只球．一位魔术师第一次从盒子里拿出一只球，将它变成3只球放回盒子里；第二次从盒子里拿出2只球，将每只球各变成3只球后放回盒子里；…第10次从盒子里拿出10只球，将每只球各变成3只球后放回盒子里，这时，盒子里共有多少只球．
<gadget id="calculator">1 + 10</gadget>
<output>11</output>

<gadget id="calculator">10 / 2</gadget>
<output>5</output>

<gadget id="calculator">11 * 5</gadget>
<output>55</output>

<gadget id="calculator">2 * 55</gadget>
<output>110</output>

<gadget id="calculator">110 + 3</gadget>
<output>113</output>

<result>113</result>