To place potted flowers on the side of a regular hexagonal flower bed, it is required to place 10 pots on each side, at least how many potted flowers need to be prepared.
在一个正六边形的花坛边上摆放盆花，要求每条边上都摆放10盆，至少需要准备多少盆花．
<gadget id="calculator">10 * 6</gadget>
<output>60</output>

<gadget id="calculator">60 - 6</gadget>
<output>54</output>

<result>54</result>