A bridge has a total length of 104 meters. It is planned to install 16 patterns on the railings on both sides of the bridge. The horizontal length of the pattern is 1.5 meters. The patterns at both ends are 10 meters away from the bridge head. Find the distance between two adjacent patterns rice?
一座大桥全长104米，计划在桥的两侧栏杆上各安装16块图案，图案的横长1.5米，两头的图案离桥头各有10米，求相邻两块图案之间的距离是多少米？
<gadget id="calculator">10 * 2</gadget>
<output>20</output>

<gadget id="calculator">104 - 20</gadget>
<output>84</output>

<gadget id="calculator">1.5 * 16</gadget>
<output>24</output>

<gadget id="calculator">84 - 24</gadget>
<output>60</output>

<gadget id="calculator">60 / 15</gadget>
<output>4</output>

<result>4</result>