A car travels from Beijing to Tianjin in the first time period (1/5) of the whole journey, and in the second time period (3/10), which time period travels the most distance? How much?
一辆汽车从北京到天津，第一时间段行了全程的(1/5)，第二时间段行了全程的(3/10)，哪个时间段行的路程多？多多少？
<gadget id="calculator">3 / 10</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 / (1/5)</gadget>
<output>5</output>

<gadget id="calculator">(3/10) - (1/5)</gadget>
<output>1/10 = around 0.1</output>

<result>1/10 = around 0.1</result>