A wire that is 6 decimeters long, subtract 8 centimeters each time, and subtract 4 times, how many centimeters are left on the wire
一根长6分米的铁丝，每次减去8厘米，减了4次，这根铁丝还剩多少厘米
<gadget id="calculator">6 * 10</gadget>
<output>60</output>

<gadget id="calculator">8 * 4</gadget>
<output>32</output>

<gadget id="calculator">60 - 32</gadget>
<output>28</output>

<result>28</result>