Metropolitan police personnel specializing in explosives defused the rockets. Some 100 people were working inside the plant.
The amount of people working in the plant was the number 240, plus 37, minus 177
( z1 number :quant-of ( z2 person :ARG0-of ( z3 work :ARG1 ( z4 plant ) ) ) :domain ( z5 person :quant 240 ) :ARG1-of ( z6 equal :ARG2 ( z7 sum-of :op 37 :op 177 :op 177 ) ) )