Calculation: 121*(13/25)+12*(21/25).
计算：121*(13/25)+12*(21/25)．
<gadget id="calculator">13 / 25</gadget>
<output>13/25 = around 0.52</output>

<gadget id="calculator">121 * (13/25)</gadget>
<output>1_573/25 = around 62.92</output>

<gadget id="calculator">21 / 25</gadget>
<output>21/25 = around 0.84</output>

<gadget id="calculator">12 * (21/25)</gadget>
<output>252/25 = around 10.08</output>

<gadget id="calculator">(1_573/25) + (252/25)</gadget>
<output>73</output>

<result>73</result>