Xiao Ming walked 4 times on the 60-meter runway, the first time was 152 steps, the second time was 155 steps, the third time was 145 steps, and the fourth time was 148 steps. How many decimeters does he walk on average per step?
小明在60米的跑道上走了4次，第一次152步，第二次155步，第三次145步，第四次148步．他平均每步走多少分米？
<gadget id="calculator">152 + 155 + 145 + 148</gadget>
<output>600</output>

<gadget id="calculator">4 / 600</gadget>
<output>1/150 = around 0.006667</output>

<gadget id="calculator">60 * (1/150)</gadget>
<output>2/5 = around 0.4</output>

<result>2/5 = around 0.4</result>