How many tons is 15% more than 35 tons.
多少吨比35吨多15%．
<gadget id="calculator">15 / 100</gadget>
<output>3/20 = around 0.15</output>

<gadget id="calculator">1 + (3/20)</gadget>
<output>23/20 = around 1.15</output>

<gadget id="calculator">35 * (23/20)</gadget>
<output>161/4 = around 40.25</output>

<result>161/4 = around 40.25</result>