A hexagonal playground, with 10 red flags on each side, how many red flags should be planted in total?
一个六边形操场，每边插10面红旗，一共要插多少面红旗．
<gadget id="calculator">8 * 6</gadget>
<output>48</output>

<gadget id="calculator">48 + 6</gadget>
<output>54</output>

<result>54</result>