148*(39/149)+86*(148/149)+74*(48/149).
148*(39/149)+86*(148/149)+74*(48/149)．
<gadget id="calculator">39 / 149</gadget>
<output>39/149 = around 0.261745</output>

<gadget id="calculator">148 * (39/149)</gadget>
<output>5_772/149 = around 38.738255</output>

<gadget id="calculator">148 / 149</gadget>
<output>148/149 = around 0.993289</output>

<gadget id="calculator">86 * (148/149)</gadget>
<output>12_728/149 = around 85.422819</output>

<gadget id="calculator">48 / 149</gadget>
<output>48/149 = around 0.322148</output>

<gadget id="calculator">74 * (48/149)</gadget>
<output>3_552/149 = around 23.838926</output>

<gadget id="calculator">(5_772/149) + (12_728/149) + (3_552/149)</gadget>
<output>148</output>

<result>148</result>