Flowers were placed on the side of a road, with a distance of 2 meters between every two potted flowers, and a total of 47 potted flowers were placed. How long is this road?
一条道路的一旁摆花，每两盆花之间相距2米，共摆了47盆花．这条路多长？
<gadget id="calculator">47 - 1</gadget>
<output>46</output>

<gadget id="calculator">46 * 2</gadget>
<output>92</output>

<result>92</result>