If the lengths of two adjacent sides of a square are increased by (1/2) and (1/4) respectively, how much will the perimeter of the new rectangle increase compared to the perimeter of the original square?
一个正方形相邻两条边的长度，如果分别增加它的(1/2)和它的(1/4)，那么所得到新长方形的周长比原正方形的周长增加了多少．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 + (1/2)</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">1 * (3/2)</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 + (1/4)</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">1 * (5/4)</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">(3/2) + (5/4)</gadget>
<output>11/4 = around 2.75</output>

<gadget id="calculator">(11/4) * 2</gadget>
<output>11/2 = around 5.5</output>

<gadget id="calculator">1 * 4</gadget>
<output>4</output>

<gadget id="calculator">(11/2) - 4</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">(3/2) / 4</gadget>
<output>3/8 = around 0.375</output>

<result>3/8 = around 0.375</result>