Master Wang shipped the goods. The first time I shipped all of them (3/11), and the second time I shipped 60 kilograms. At this time, the ones that had already been shipped were not shipped (9/13). So how many kilograms is missing for Master Wang?
王师傅运货物．第一次运了全部的(3/11)，第二次运了60千克，这时已经运了的是没运的(9/13)．那么王师傅还差多少千克没有运？
<gadget id="calculator">13 + 9</gadget>
<output>22</output>

<gadget id="calculator">9 / 22</gadget>
<output>9/22 = around 0.409091</output>

<gadget id="calculator">3 / 11</gadget>
<output>3/11 = around 0.272727</output>

<gadget id="calculator">(9/22) - (3/11)</gadget>
<output>3/22 = around 0.136364</output>

<gadget id="calculator">60 / (3/22)</gadget>
<output>440</output>

<gadget id="calculator">440 * (3/11)</gadget>
<output>120</output>

<gadget id="calculator">440 - 120 - 60</gadget>
<output>260</output>

<result>260</result>