The average distance from the earth to the sun is about (3/2) billion kilometers, which is equivalent to (15/23) the average distance from Mars to the sun. How many billion kilometers is the average distance from Mars to the sun?
地球到太阳的平均距离大约是(3/2)亿千米，相当于火星到太阳平均距离的(15/23)，火星到太阳的平均距离大约是多少亿千米？
<gadget id="calculator">3 / 2</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">15 / 23</gadget>
<output>15/23 = around 0.652174</output>

<gadget id="calculator">(3/2) / (15/23)</gadget>
<output>23/10 = around 2.3</output>

<result>23/10 = around 2.3</result>