Calculation: 99*98+0.2*990.
计算：99*98+0.2*990．
<gadget id="calculator">99 * 98</gadget>
<output>9_702</output>

<gadget id="calculator">0.2 * 990</gadget>
<output>198</output>

<gadget id="calculator">9_702 + 198</gadget>
<output>9_900</output>

<result>9_900</result>