There are 106 original street lamps on one side of a road, and the distance between two adjacent lamps is 36 meters. Now it is planned to replace all of them with new-type street lamps, and the distance between two adjacent lamps becomes 70 meters. New energy-saving lamps that need to be replaced How many lamps are there?
某道路一侧原有路灯106盏，相邻两盏灯的距离为36米，现计划全部更换为新型的路灯，且相邻两盏灯的距离变为70米，则需更换的新型节能灯有多少盏．
<gadget id="calculator">106 - 1</gadget>
<output>105</output>

<gadget id="calculator">36 * 105</gadget>
<output>3_780</output>

<gadget id="calculator">3_780 / 70</gadget>
<output>54</output>

<gadget id="calculator">54 + 1</gadget>
<output>55</output>

<result>55</result>