A typist typed a manuscript in 4 hours (1/2), what fraction of the manuscript was typed per hour on average?
打字员4小时打一份稿件的(1/2)，平均每小时打这份稿件的几分之几？
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(1/2) / 4</gadget>
<output>1/8 = around 0.125</output>

<result>1/8 = around 0.125</result>