A large square team, 30 people on each side of the outer layer, 10 people on each side of the inner layer, and 16 people performing gymnastics in the middle. How many people are there in this team?
一个大型的方队，外层每边30人，内层每边10人，中间的位置由16人进行体操表演．问这个方队共有多少人？
<gadget id="calculator">30 - 10</gadget>
<output>20</output>

<gadget id="calculator">20 / 2</gadget>
<output>10</output>

<gadget id="calculator">10 + 1</gadget>
<output>11</output>

<gadget id="calculator">30 - 11</gadget>
<output>19</output>

<gadget id="calculator">19 * 11 * 4</gadget>
<output>836</output>

<gadget id="calculator">836 + 16</gadget>
<output>852</output>

<result>852</result>