If a colored ribbon is cut off by 1.6 meters, there is still (3/4) of it, how many decimeters is the length of this colored ribbon.
一条彩带如果剪去1.6米，还剩它的(3/4)，这条彩带长多少分米．
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1 - (3/4)</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1.6 / (1/4)</gadget>
<output>6.4</output>

<gadget id="calculator">6.4 * 10</gadget>
<output>64</output>

<result>64</result>