Calculation: 400-(1300/65+35).
计算：400-(1300/65+35)．
<gadget id="calculator">1_300 / 65</gadget>
<output>20</output>

<gadget id="calculator">20 + 35</gadget>
<output>55</output>

<gadget id="calculator">400 - 55</gadget>
<output>345</output>

<result>345</result>