The 4-meter-long steel was sawed into steel sections of the same length, and sawed 5 times in total, and each section was ((())/(())) of the steel.
把4米长钢材锯成同样长的钢段，一共锯了5次，每段是这根钢材的((())/(()))．
<gadget id="calculator">5 + 1</gadget>
<output>6</output>

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<result>1/6 = around 0.166667</result>