A steel pipe is 10 meters long, cut off (7/10) for the first time, and cut off the remaining (1/3) for the second time, how many meters are left?
一根钢管长10米，第一次截去它的(7/10)，第二次又截去余下的(1/3)，还剩多少米？
<gadget id="calculator">7 / 10</gadget>
<output>7/10 = around 0.7</output>

<gadget id="calculator">1 - (7/10)</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

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

<gadget id="calculator">(3/10) - (1/10)</gadget>
<output>1/5 = around 0.2</output>

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

<result>2</result>