Simple calculation: 17*15*((1/17)+(2/15))
简算：17*15*((1/17)+(2/15))
<gadget id="calculator">1 / 17</gadget>
<output>1/17 = around 0.058824</output>

<gadget id="calculator">2 / 15</gadget>
<output>2/15 = around 0.133333</output>

<gadget id="calculator">(1/17) + (2/15)</gadget>
<output>49/255 = around 0.192157</output>

<gadget id="calculator">17 * 15 * (49/255)</gadget>
<output>49</output>

<result>49</result>