The boss of the restaurant Wang went to buy dining tables and chairs. The money he brings can buy 10 dining tables or 60 dining chairs. If he buys them in sets, how many sets can he buy? (One dining table and four dining chairs are a set)
饭店王老板去买餐桌与餐椅．他带的钱可以买10张餐桌或60把餐椅，如果成套买，能买几套？(一张餐桌与四把餐椅为一套)
<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 / 60</gadget>
<output>1/60 = around 0.016667</output>

<gadget id="calculator">(1/60) * 4</gadget>
<output>1/15 = around 0.066667</output>

<gadget id="calculator">(1/10) + (1/15)</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">1 / (1/6)</gadget>
<output>6</output>

<result>6</result>