A road has been repaired for 30 meters, and the unrepaired road is more than the repaired one (1/10), how many meters is the unrepaired road more than the repaired one?
一条公路已修30米，未修的比已修的多(1/10)，未修的比已修的多多少米？
<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">30 * (1/10)</gadget>
<output>3</output>

<result>3</result>