Which of the following formulas has the answer closest to 2?
下列算式中，答案最不接近2的是多少
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">4.2 / (1/2)</gadget>
<output>8.4</output>

<result>8.4</result>