5.5*6.6+6.6*7.7+7.7*8.8+8.8*9.9.
5.5*6.6+6.6*7.7+7.7*8.8+8.8*9.9．
<gadget id="calculator">5.5 * 6.6</gadget>
<output>36.3</output>

<gadget id="calculator">6.6 * 7.7</gadget>
<output>50.82</output>

<gadget id="calculator">7.7 * 8.8</gadget>
<output>67.76</output>

<gadget id="calculator">8.8 * 9.9</gadget>
<output>87.12</output>

<gadget id="calculator">36.3 + 50.82 + 67.76 + 87.12</gadget>
<output>242</output>

<result>242</result>