0.3+0.5+0.7+0.9+0.11+0.13+...+0.99.
0.3+0.5+0.7+0.9+0.11+0.13+…+0.99．
<gadget id="calculator">0.3 + 0.9</gadget>
<output>1.2</output>

<gadget id="calculator">4 / 2</gadget>
<output>2</output>

<gadget id="calculator">1.2 * 2</gadget>
<output>2.4</output>

<gadget id="calculator">0.11 + 0.99</gadget>
<output>1.1</output>

<gadget id="calculator">45 / 2</gadget>
<output>45/2 = around 22.5</output>

<gadget id="calculator">1.1 * (45/2)</gadget>
<output>24.75</output>

<gadget id="calculator">2.4 + 24.75</gadget>
<output>27.15</output>

<result>27.15</result>