To build a 2 km long road, 1295 meters have been built, and the remaining 4 bags of cement are planned to be used per meter. How many bags of cement will be needed to finish the remaining road?
修一条长2千米的马路，已经修了1295米，剩下的每米打算用水泥4袋，请问修完剩下的马路需要水泥多少袋？
<gadget id="calculator">2 * 1_000</gadget>
<output>2_000</output>

<gadget id="calculator">2_000 - 1_295</gadget>
<output>705</output>

<gadget id="calculator">705 * 4</gadget>
<output>2_820</output>

<result>2_820</result>