a is a natural number greater than 0. Among the following formulas, what is the largest result?
a是一个大于0的自然数，下列算式中，结果最大的是多少
<gadget id="calculator">50 / 100</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 * (1/2)</gadget>
<output>1/2 = around 0.5</output>

<result>1/2 = around 0.5</result>