A rope is 35 meters long, subtract (2/5), how many meters are left.
一根绳子长35米，减去(2/5)，还剩多少米．
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 - (2/5)</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">35 * (3/5)</gadget>
<output>21</output>

<result>21</result>