A piece of steel is 5 meters long, and it takes (3/5) hours to saw it into sections of 50 cm in length, how many hours will it take to saw it into steel sections of 100 cm in length?
一根钢材长5米，把它锯成每段长50厘米，需要(3/5)小时，如果锯成每段长100厘米的钢段，要多少小时．
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">100 / 50</gadget>
<output>2</output>

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

<gadget id="calculator">10 - 1</gadget>
<output>9</output>

<gadget id="calculator">(3/5) / 9</gadget>
<output>1/15 = around 0.066667</output>

<gadget id="calculator">100 / 100</gadget>
<output>1</output>

<gadget id="calculator">5 * 1</gadget>
<output>5</output>

<gadget id="calculator">5 - 1</gadget>
<output>4</output>

<gadget id="calculator">(1/15) * 4</gadget>
<output>4/15 = around 0.266667</output>

<result>4/15 = around 0.266667</result>