Master Liu sawed a piece of wood and saw it 6 times. This piece of wood happened to be sawed into small pieces each 120 cm long. How many centimeters is this piece of wood?
刘师傅锯一根木料，锯了6次，这根木料刚好被锯成每段都是长120厘米的小段．原来这根木料长多少厘米？
<gadget id="calculator">6 + 1</gadget>
<output>7</output>

<gadget id="calculator">120 * 7</gadget>
<output>840</output>

<result>840</result>