Xiaojun walks along a 30-meter-long straight road three times, each time with 48 steps, 50 steps, and 52 steps. What is the average length of each step of Xiaojun?
小军沿着30米长的直道走了三次，每次分别是48步，50步，52步，小军平均每步长度是多少米？
<gadget id="calculator">30 * 3</gadget>
<output>90</output>

<gadget id="calculator">48 + 50 + 52</gadget>
<output>150</output>

<gadget id="calculator">90 / 150</gadget>
<output>3/5 = around 0.6</output>

<result>3/5 = around 0.6</result>