Uncle Wang drives from place A to place B to deliver goods. The speed in the first 3 hours is 900 km/h, and the speed in the next 2 hours is 80 km/h. How many kilometers did Uncle Wang drive in total?
王叔叔驾车从甲地出发到乙地送货，前3小时的速度是900千米/小时，后2小时的速度是80千米/小时，王叔叔一共行驶了多少千米？
<gadget id="calculator">3 * 90</gadget>
<output>270</output>

<gadget id="calculator">2 * 80</gadget>
<output>160</output>

<gadget id="calculator">270 + 160</gadget>
<output>430</output>

<result>430</result>