piece of wood was sawed into 0.3-meter pieces, and sawed 7 times in total. How many meters was the length of this piece of wood?
把一根木条锯成0.3米的小段，共锯了7次，这根木条原来长多少米？
<gadget id="calculator">7 + 1</gadget>
<output>8</output>

<gadget id="calculator">0.3 * 8</gadget>
<output>2.4</output>

<result>2.4</result>