The coal yard shipped 1.52 tons of coal in the morning, and some more in the afternoon. A total of 4.3 tons of coal was shipped in a day. How many tons were shipped in the afternoon?
煤场上午运来煤1.52吨，下午又运来了一些，一天共运来煤4.3吨，下午运来多少吨？
<gadget id="calculator">4.3 - 1.52</gadget>
<output>2.78</output>

<result>2.78</result>