A rope, first cut its (1/2), and the second cut the rest (3/5). What fraction of the rope was cut the second time?
一根绳子，第一次剪下它的(1/2)，第二次剪下剩下的(3/5)．第二次剪下的是这根绳子的几分之几？
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 - (1/2)</gadget>
<output>1/2 = around 0.5</output>

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

<gadget id="calculator">(1/2) * (3/5)</gadget>
<output>3/10 = around 0.3</output>

<result>3/10 = around 0.3</result>