A wire is 3 meters long and cut into two pieces. The first piece is (5/3) meters long. How much longer is the second piece?
一根铁丝长3米，截成两段，第一段长(5/3)米，比第二段长多少米？
<gadget id="calculator">5 / 3</gadget>
<output>5/3 = around 1.666667</output>

<gadget id="calculator">3 - (5/3)</gadget>
<output>4/3 = around 1.333333</output>

<gadget id="calculator">(5/3) - (4/3)</gadget>
<output>1/3 = around 0.333333</output>

<result>1/3 = around 0.333333</result>