The rubber factory burned 4.76 tons of coal in January, saved 1.3 tons in February compared with January, and burned 0.24 tons more in March than February. How many tons of coal was burned in March?
橡胶厂一月份烧煤4.76吨，二月份比一月份节约了1.3吨，三月份比二月份多烧0.24吨．三月份烧煤多少吨？
<gadget id="calculator">4.76 - 1.3</gadget>
<output>3.46</output>

<gadget id="calculator">3.46 + 0.24</gadget>
<output>3.7</output>

<result>3.7</result>