A piece of steel is sawed into equal lengths, exactly 5 times, what is the length of each piece of steel.
把一根钢材锯成相等的长度，正好锯了5次，那么每段长是这根钢材的多少．
<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>